289255668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 779175936

約数和(自身を除く): 489920268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 43, 52, 62, 78, 86, 93, 107, 124, 129, 156, 169, 172, 186, 214, 258, 321, 338, 372, 403, 428, 507, 516, 559, 642, 676, 806, 1014, 1118, 1209, 1284, 1333, 1391, 1612, 1677, 2028, 2236, 2418, 2666, 2782, 3317, 3354, 3999, 4173, 4601, 4836, 5239, 5332, 5564, 6634, 6708, 7267, 7998, 8346, 9202, 9951, 10478, 13268, 13803, 14534, 15717, 15996, 16692, 17329, 18083, 18404, 19902, 20956, 21801, 27606, 29068, 31434, 34658, 36166, 39804, 43121, 43602, 51987, 54249, 55212, 59813, 62868, 69316, 72332, 86242, 87204, 103974, 108498, 119626, 129363, 142631, 172484, 179439, 207948, 216996, 225277, 239252, 258726, 285262, 358878, 427893, 450554, 517452, 560573, 570524, 675831, 717756, 777569, 855786, 901108, 1121146, 1351662, 1555138, 1681719, 1711572, 1854203, 2242292, 2332707, 2703324, 3110276, 3363438, 3708406, 4665414, 5562609, 6726876, 7416812, 9330828, 11125218, 22250436, 24104639, 48209278, 72313917, 96418556, 144627834, 289255668]

約数ペア:

[(1, 289255668), (2, 144627834), (3, 96418556), (4, 72313917), (6, 48209278), (12, 24104639), (13, 22250436), (26, 11125218), (31, 9330828), (39, 7416812), (43, 6726876), (52, 5562609), (62, 4665414), (78, 3708406), (86, 3363438), (93, 3110276), (107, 2703324), (124, 2332707), (129, 2242292), (156, 1854203), (169, 1711572), (172, 1681719), (186, 1555138), (214, 1351662), (258, 1121146), (321, 901108), (338, 855786), (372, 777569), (403, 717756), (428, 675831), (507, 570524), (516, 560573), (559, 517452), (642, 450554), (676, 427893), (806, 358878), (1014, 285262), (1118, 258726), (1209, 239252), (1284, 225277), (1333, 216996), (1391, 207948), (1612, 179439), (1677, 172484), (2028, 142631), (2236, 129363), (2418, 119626), (2666, 108498), (2782, 103974), (3317, 87204), (3354, 86242), (3999, 72332), (4173, 69316), (4601, 62868), (4836, 59813), (5239, 55212), (5332, 54249), (5564, 51987), (6634, 43602), (6708, 43121), (7267, 39804), (7998, 36166), (8346, 34658), (9202, 31434), (9951, 29068), (10478, 27606), (13268, 21801), (13803, 20956), (14534, 19902), (15717, 18404), (15996, 18083), (16692, 17329)]