81366948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173861}}^1$

素因数の和:173884

約数の個数: 36

約数和(自身を含む): 221500188

約数和(自身を除く): 140133240

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173861, 347722, 521583, 695444, 1043166, 1564749, 2086332, 2260193, 3129498, 4520386, 6258996, 6780579, 9040772, 13561158, 20341737, 27122316, 40683474, 81366948]

約数ペア:

[(1, 81366948), (2, 40683474), (3, 27122316), (4, 20341737), (6, 13561158), (9, 9040772), (12, 6780579), (13, 6258996), (18, 4520386), (26, 3129498), (36, 2260193), (39, 2086332), (52, 1564749), (78, 1043166), (117, 695444), (156, 521583), (234, 347722), (468, 173861)]