215331394

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 340526592

約数和(自身を除く): 125195198

約数列:

[1, 2, 31, 62, 101, 137, 202, 251, 274, 502, 3131, 4247, 6262, 7781, 8494, 13837, 15562, 25351, 27674, 34387, 50702, 68774, 428947, 785881, 857894, 1065997, 1571762, 2131994, 3473087, 6946174, 107665697, 215331394]

約数ペア:

[(1, 215331394), (2, 107665697), (31, 6946174), (62, 3473087), (101, 2131994), (137, 1571762), (202, 1065997), (251, 857894), (274, 785881), (502, 428947), (3131, 68774), (4247, 50702), (6262, 34387), (7781, 27674), (8494, 25351), (13837, 15562)]