78257278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 130596480

約数和(自身を除く): 52339202

約数列:

[1, 2, 11, 22, 139, 157, 163, 278, 314, 326, 1529, 1727, 1793, 3058, 3454, 3586, 21823, 22657, 25591, 43646, 45314, 51182, 240053, 249227, 281501, 480106, 498454, 563002, 3557149, 7114298, 39128639, 78257278]

約数ペア:

[(1, 78257278), (2, 39128639), (11, 7114298), (22, 3557149), (139, 563002), (157, 498454), (163, 480106), (278, 281501), (314, 249227), (326, 240053), (1529, 51182), (1727, 45314), (1793, 43646), (3058, 25591), (3454, 22657), (3586, 21823)]