668148208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 1671892992

約数和(自身を除く): 1003744784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 113, 124, 131, 182, 208, 217, 226, 248, 262, 364, 403, 434, 452, 496, 524, 728, 791, 806, 868, 904, 917, 1048, 1456, 1469, 1582, 1612, 1703, 1736, 1808, 1834, 2096, 2821, 2938, 3164, 3224, 3406, 3472, 3503, 3668, 4061, 5642, 5876, 6328, 6448, 6812, 7006, 7336, 8122, 10283, 11284, 11752, 11921, 12656, 13624, 14012, 14672, 14803, 16244, 20566, 22568, 23504, 23842, 24521, 27248, 28024, 28427, 29606, 32488, 41132, 45136, 45539, 47684, 49042, 52793, 56048, 56854, 59212, 64976, 82264, 91078, 95368, 98084, 103621, 105586, 113708, 118424, 164528, 182156, 190736, 192439, 196168, 207242, 211172, 227416, 236848, 318773, 364312, 369551, 384878, 392336, 414484, 422344, 454832, 458893, 637546, 728624, 739102, 769756, 828968, 844688, 917786, 1275092, 1347073, 1478204, 1539512, 1657936, 1835572, 2550184, 2694146, 2956408, 3079024, 3212251, 3671144, 5100368, 5388292, 5912816, 5965609, 6424502, 7342288, 10776584, 11931218, 12849004, 21553168, 23862436, 25698008, 41759263, 47724872, 51396016, 83518526, 95449744, 167037052, 334074104, 668148208]

約数ペア:

[(1, 668148208), (2, 334074104), (4, 167037052), (7, 95449744), (8, 83518526), (13, 51396016), (14, 47724872), (16, 41759263), (26, 25698008), (28, 23862436), (31, 21553168), (52, 12849004), (56, 11931218), (62, 10776584), (91, 7342288), (104, 6424502), (112, 5965609), (113, 5912816), (124, 5388292), (131, 5100368), (182, 3671144), (208, 3212251), (217, 3079024), (226, 2956408), (248, 2694146), (262, 2550184), (364, 1835572), (403, 1657936), (434, 1539512), (452, 1478204), (496, 1347073), (524, 1275092), (728, 917786), (791, 844688), (806, 828968), (868, 769756), (904, 739102), (917, 728624), (1048, 637546), (1456, 458893), (1469, 454832), (1582, 422344), (1612, 414484), (1703, 392336), (1736, 384878), (1808, 369551), (1834, 364312), (2096, 318773), (2821, 236848), (2938, 227416), (3164, 211172), (3224, 207242), (3406, 196168), (3472, 192439), (3503, 190736), (3668, 182156), (4061, 164528), (5642, 118424), (5876, 113708), (6328, 105586), (6448, 103621), (6812, 98084), (7006, 95368), (7336, 91078), (8122, 82264), (10283, 64976), (11284, 59212), (11752, 56854), (11921, 56048), (12656, 52793), (13624, 49042), (14012, 47684), (14672, 45539), (14803, 45136), (16244, 41132), (20566, 32488), (22568, 29606), (23504, 28427), (23842, 28024), (24521, 27248)]