81577336

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 165140640

約数和(自身を除く): 83563304

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 361, 376, 601, 722, 893, 1202, 1444, 1786, 2404, 2888, 3572, 4808, 7144, 11419, 16967, 22838, 28247, 33934, 45676, 56494, 67868, 91352, 112988, 135736, 216961, 225976, 433922, 536693, 867844, 1073386, 1735688, 2146772, 4293544, 10197167, 20394334, 40788668, 81577336]

約数ペア:

[(1, 81577336), (2, 40788668), (4, 20394334), (8, 10197167), (19, 4293544), (38, 2146772), (47, 1735688), (76, 1073386), (94, 867844), (152, 536693), (188, 433922), (361, 225976), (376, 216961), (601, 135736), (722, 112988), (893, 91352), (1202, 67868), (1444, 56494), (1786, 45676), (2404, 33934), (2888, 28247), (3572, 22838), (4808, 16967), (7144, 11419)]