77987754

素因数分解:

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

素因数の和:892

約数の個数: 72

約数和(自身を含む): 189101952

約数和(自身を除く): 111114198

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 169, 186, 234, 279, 338, 403, 507, 558, 806, 827, 1014, 1209, 1521, 1654, 2418, 2481, 3042, 3627, 4962, 5239, 7254, 7443, 10478, 10751, 14886, 15717, 21502, 25637, 31434, 32253, 47151, 51274, 64506, 76911, 94302, 96759, 139763, 153822, 193518, 230733, 279526, 333281, 419289, 461466, 666562, 838578, 999843, 1257867, 1999686, 2515734, 2999529, 4332653, 5999058, 8665306, 12997959, 25995918, 38993877, 77987754]

約数ペア:

[(1, 77987754), (2, 38993877), (3, 25995918), (6, 12997959), (9, 8665306), (13, 5999058), (18, 4332653), (26, 2999529), (31, 2515734), (39, 1999686), (62, 1257867), (78, 999843), (93, 838578), (117, 666562), (169, 461466), (186, 419289), (234, 333281), (279, 279526), (338, 230733), (403, 193518), (507, 153822), (558, 139763), (806, 96759), (827, 94302), (1014, 76911), (1209, 64506), (1521, 51274), (1654, 47151), (2418, 32253), (2481, 31434), (3042, 25637), (3627, 21502), (4962, 15717), (5239, 14886), (7254, 10751), (7443, 10478)]