128581712

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5441}}^1$

素因数の和:5667

約数の個数: 40

約数和(自身を含む): 286118592

約数和(自身を除く): 157536880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5441, 5908, 10882, 11816, 21764, 23632, 38087, 43528, 76174, 87056, 152348, 304696, 609392, 1148051, 2296102, 4592204, 8036357, 9184408, 16072714, 18368816, 32145428, 64290856, 128581712]

約数ペア:

[(1, 128581712), (2, 64290856), (4, 32145428), (7, 18368816), (8, 16072714), (14, 9184408), (16, 8036357), (28, 4592204), (56, 2296102), (112, 1148051), (211, 609392), (422, 304696), (844, 152348), (1477, 87056), (1688, 76174), (2954, 43528), (3376, 38087), (5441, 23632), (5908, 21764), (10882, 11816)]