81416408

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 156764160

約数和(自身を除く): 75347752

約数列:

[1, 2, 4, 8, 47, 94, 188, 223, 376, 446, 892, 971, 1784, 1942, 3884, 7768, 10481, 20962, 41924, 45637, 83848, 91274, 182548, 216533, 365096, 433066, 866132, 1732264, 10177051, 20354102, 40708204, 81416408]

約数ペア:

[(1, 81416408), (2, 40708204), (4, 20354102), (8, 10177051), (47, 1732264), (94, 866132), (188, 433066), (223, 365096), (376, 216533), (446, 182548), (892, 91274), (971, 83848), (1784, 45637), (1942, 41924), (3884, 20962), (7768, 10481)]