128303792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258677}}^1$

素因数の和:258716

約数の個数: 20

約数和(自身を含む): 256608576

約数和(自身を除く): 128304784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258677, 517354, 1034708, 2069416, 4138832, 8018987, 16037974, 32075948, 64151896, 128303792]

約数ペア:

[(1, 128303792), (2, 64151896), (4, 32075948), (8, 16037974), (16, 8018987), (31, 4138832), (62, 2069416), (124, 1034708), (248, 517354), (496, 258677)]