78511790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2797}}^1$

素因数の和:3212

約数の個数: 32

約数和(自身を含む): 161970624

約数和(自身を除く): 83458834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 802, 2005, 2797, 2807, 4010, 5594, 5614, 13985, 14035, 19579, 27970, 28070, 39158, 97895, 195790, 1121597, 2243194, 5607985, 7851179, 11215970, 15702358, 39255895, 78511790]

約数ペア:

[(1, 78511790), (2, 39255895), (5, 15702358), (7, 11215970), (10, 7851179), (14, 5607985), (35, 2243194), (70, 1121597), (401, 195790), (802, 97895), (2005, 39158), (2797, 28070), (2807, 27970), (4010, 19579), (5594, 14035), (5614, 13985)]