77919010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 158070528

約数和(自身を除く): 80151518

約数列:

[1, 2, 5, 10, 13, 26, 43, 53, 65, 86, 106, 130, 215, 263, 265, 430, 526, 530, 559, 689, 1118, 1315, 1378, 2279, 2630, 2795, 3419, 3445, 4558, 5590, 6838, 6890, 11309, 11395, 13939, 17095, 22618, 22790, 27878, 29627, 34190, 56545, 59254, 69695, 113090, 139390, 147017, 148135, 181207, 294034, 296270, 362414, 599377, 735085, 906035, 1198754, 1470170, 1812070, 2996885, 5993770, 7791901, 15583802, 38959505, 77919010]

約数ペア:

[(1, 77919010), (2, 38959505), (5, 15583802), (10, 7791901), (13, 5993770), (26, 2996885), (43, 1812070), (53, 1470170), (65, 1198754), (86, 906035), (106, 735085), (130, 599377), (215, 362414), (263, 296270), (265, 294034), (430, 181207), (526, 148135), (530, 147017), (559, 139390), (689, 113090), (1118, 69695), (1315, 59254), (1378, 56545), (2279, 34190), (2630, 29627), (2795, 27878), (3419, 22790), (3445, 22618), (4558, 17095), (5590, 13939), (6838, 11395), (6890, 11309)]