31513430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 63640080

約数和(自身を除く): 32126650

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 643, 754, 845, 1286, 1690, 1885, 3215, 3770, 4901, 6430, 8359, 9802, 16718, 18647, 24505, 37294, 41795, 49010, 83590, 93235, 108667, 186470, 217334, 242411, 484822, 543335, 1086670, 1212055, 2424110, 3151343, 6302686, 15756715, 31513430]

約数ペア:

[(1, 31513430), (2, 15756715), (5, 6302686), (10, 3151343), (13, 2424110), (26, 1212055), (29, 1086670), (58, 543335), (65, 484822), (130, 242411), (145, 217334), (169, 186470), (290, 108667), (338, 93235), (377, 83590), (643, 49010), (754, 41795), (845, 37294), (1286, 24505), (1690, 18647), (1885, 16718), (3215, 9802), (3770, 8359), (4901, 6430)]