131621048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23879}}^1$

素因数の和:23951

約数の個数: 32

約数和(自身を含む): 270799200

約数和(自身を除く): 139178152

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 23879, 47758, 95516, 191032, 310427, 620854, 1241708, 1265587, 2483416, 2531174, 5062348, 10124696, 16452631, 32905262, 65810524, 131621048]

約数ペア:

[(1, 131621048), (2, 65810524), (4, 32905262), (8, 16452631), (13, 10124696), (26, 5062348), (52, 2531174), (53, 2483416), (104, 1265587), (106, 1241708), (212, 620854), (424, 310427), (689, 191032), (1378, 95516), (2756, 47758), (5512, 23879)]