31508630

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 57926880

約数和(自身を除く): 26418250

約数列:

[1, 2, 5, 10, 109, 137, 211, 218, 274, 422, 545, 685, 1055, 1090, 1370, 2110, 14933, 22999, 28907, 29866, 45998, 57814, 74665, 114995, 144535, 149330, 229990, 289070, 3150863, 6301726, 15754315, 31508630]

約数ペア:

[(1, 31508630), (2, 15754315), (5, 6301726), (10, 3150863), (109, 289070), (137, 229990), (211, 149330), (218, 144535), (274, 114995), (422, 74665), (545, 57814), (685, 45998), (1055, 29866), (1090, 28907), (1370, 22999), (2110, 14933)]