31505630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 65536128

約数和(自身を除く): 34030498

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 205, 230, 257, 299, 410, 514, 533, 598, 943, 1066, 1285, 1495, 1886, 2570, 2665, 2990, 3341, 4715, 5330, 5911, 6682, 9430, 10537, 11822, 12259, 16705, 21074, 24518, 29555, 33410, 52685, 59110, 61295, 76843, 105370, 122590, 136981, 153686, 242351, 273962, 384215, 484702, 684905, 768430, 1211755, 1369810, 2423510, 3150563, 6301126, 15752815, 31505630]

約数ペア:

[(1, 31505630), (2, 15752815), (5, 6301126), (10, 3150563), (13, 2423510), (23, 1369810), (26, 1211755), (41, 768430), (46, 684905), (65, 484702), (82, 384215), (115, 273962), (130, 242351), (205, 153686), (230, 136981), (257, 122590), (299, 105370), (410, 76843), (514, 61295), (533, 59110), (598, 52685), (943, 33410), (1066, 29555), (1285, 24518), (1495, 21074), (1886, 16705), (2570, 12259), (2665, 11822), (2990, 10537), (3341, 9430), (4715, 6682), (5330, 5911)]