39870778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 65298240

約数和(自身を除く): 25427462

約数列:

[1, 2, 19, 38, 41, 82, 157, 163, 314, 326, 779, 1558, 2983, 3097, 5966, 6194, 6437, 6683, 12874, 13366, 25591, 51182, 122303, 126977, 244606, 253954, 486229, 972458, 1049231, 2098462, 19935389, 39870778]

約数ペア:

[(1, 39870778), (2, 19935389), (19, 2098462), (38, 1049231), (41, 972458), (82, 486229), (157, 253954), (163, 244606), (314, 126977), (326, 122303), (779, 51182), (1558, 25591), (2983, 13366), (3097, 12874), (5966, 6683), (6194, 6437)]