218404156

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{1607}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 389412576

約数和(自身を除く): 171008420

約数列:

[1, 2, 4, 61, 122, 244, 557, 1114, 1607, 2228, 3214, 6428, 33977, 67954, 98027, 135908, 196054, 392108, 895099, 1790198, 3580396, 54601039, 109202078, 218404156]

約数ペア:

[(1, 218404156), (2, 109202078), (4, 54601039), (61, 3580396), (122, 1790198), (244, 895099), (557, 392108), (1114, 196054), (1607, 135908), (2228, 98027), (3214, 67954), (6428, 33977)]