156991378

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 251274240

約数和(自身を除く): 94282862

約数列:

[1, 2, 31, 41, 62, 82, 151, 302, 409, 818, 1271, 2542, 4681, 6191, 9362, 12382, 12679, 16769, 25358, 33538, 61759, 123518, 191921, 383842, 519839, 1039678, 1914529, 2532119, 3829058, 5064238, 78495689, 156991378]

約数ペア:

[(1, 156991378), (2, 78495689), (31, 5064238), (41, 3829058), (62, 2532119), (82, 1914529), (151, 1039678), (302, 519839), (409, 383842), (818, 191921), (1271, 123518), (2542, 61759), (4681, 33538), (6191, 25358), (9362, 16769), (12382, 12679)]