51991836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 135765504

約数和(自身を除く): 83773668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 827, 1014, 1209, 1612, 1654, 2028, 2418, 2481, 3308, 4836, 4962, 5239, 9924, 10478, 10751, 15717, 20956, 21502, 25637, 31434, 32253, 43004, 51274, 62868, 64506, 76911, 102548, 129012, 139763, 153822, 279526, 307644, 333281, 419289, 559052, 666562, 838578, 999843, 1333124, 1677156, 1999686, 3999372, 4332653, 8665306, 12997959, 17330612, 25995918, 51991836]

約数ペア:

[(1, 51991836), (2, 25995918), (3, 17330612), (4, 12997959), (6, 8665306), (12, 4332653), (13, 3999372), (26, 1999686), (31, 1677156), (39, 1333124), (52, 999843), (62, 838578), (78, 666562), (93, 559052), (124, 419289), (156, 333281), (169, 307644), (186, 279526), (338, 153822), (372, 139763), (403, 129012), (507, 102548), (676, 76911), (806, 64506), (827, 62868), (1014, 51274), (1209, 43004), (1612, 32253), (1654, 31434), (2028, 25637), (2418, 21502), (2481, 20956), (3308, 15717), (4836, 10751), (4962, 10478), (5239, 9924)]