389449944

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 160

約数和(自身を含む): 1191017520

約数和(自身を除く): 801567576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 83, 104, 108, 117, 156, 162, 166, 216, 234, 249, 312, 324, 332, 351, 468, 498, 557, 648, 664, 702, 747, 936, 996, 1053, 1079, 1114, 1404, 1494, 1671, 1992, 2106, 2158, 2228, 2241, 2808, 2988, 3237, 3342, 4212, 4316, 4456, 4482, 5013, 5976, 6474, 6684, 6723, 7241, 8424, 8632, 8964, 9711, 10026, 12948, 13368, 13446, 14482, 15039, 17928, 19422, 20052, 21723, 25896, 26892, 28964, 29133, 30078, 38844, 40104, 43446, 45117, 46231, 53784, 57928, 58266, 60156, 65169, 77688, 86892, 87399, 90234, 92462, 116532, 120312, 130338, 138693, 173784, 174798, 180468, 184924, 195507, 233064, 260676, 277386, 349596, 360936, 369848, 391014, 416079, 521352, 554772, 586521, 601003, 699192, 782028, 832158, 1109544, 1173042, 1202006, 1248237, 1564056, 1664316, 1803009, 2346084, 2404012, 2496474, 3328632, 3606018, 3744711, 4692168, 4808024, 4992948, 5409027, 7212036, 7489422, 9985896, 10818054, 14424072, 14978844, 16227081, 21636108, 29957688, 32454162, 43272216, 48681243, 64908324, 97362486, 129816648, 194724972, 389449944]

約数ペア:

[(1, 389449944), (2, 194724972), (3, 129816648), (4, 97362486), (6, 64908324), (8, 48681243), (9, 43272216), (12, 32454162), (13, 29957688), (18, 21636108), (24, 16227081), (26, 14978844), (27, 14424072), (36, 10818054), (39, 9985896), (52, 7489422), (54, 7212036), (72, 5409027), (78, 4992948), (81, 4808024), (83, 4692168), (104, 3744711), (108, 3606018), (117, 3328632), (156, 2496474), (162, 2404012), (166, 2346084), (216, 1803009), (234, 1664316), (249, 1564056), (312, 1248237), (324, 1202006), (332, 1173042), (351, 1109544), (468, 832158), (498, 782028), (557, 699192), (648, 601003), (664, 586521), (702, 554772), (747, 521352), (936, 416079), (996, 391014), (1053, 369848), (1079, 360936), (1114, 349596), (1404, 277386), (1494, 260676), (1671, 233064), (1992, 195507), (2106, 184924), (2158, 180468), (2228, 174798), (2241, 173784), (2808, 138693), (2988, 130338), (3237, 120312), (3342, 116532), (4212, 92462), (4316, 90234), (4456, 87399), (4482, 86892), (5013, 77688), (5976, 65169), (6474, 60156), (6684, 58266), (6723, 57928), (7241, 53784), (8424, 46231), (8632, 45117), (8964, 43446), (9711, 40104), (10026, 38844), (12948, 30078), (13368, 29133), (13446, 28964), (14482, 26892), (15039, 25896), (17928, 21723), (19422, 20052)]