491913136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 1127427840

約数和(自身を除く): 635514704

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 163, 176, 208, 286, 326, 572, 652, 1144, 1304, 1319, 1793, 2119, 2288, 2608, 2638, 3586, 4238, 5276, 7172, 8476, 10552, 14344, 14509, 16952, 17147, 21104, 23309, 28688, 29018, 33904, 34294, 46618, 58036, 68588, 93236, 116072, 137176, 186472, 188617, 214997, 232144, 274352, 372944, 377234, 429994, 754468, 859988, 1508936, 1719976, 2364967, 2794961, 3017872, 3439952, 4729934, 5589922, 9459868, 11179844, 18919736, 22359688, 30744571, 37839472, 44719376, 61489142, 122978284, 245956568, 491913136]

約数ペア:

[(1, 491913136), (2, 245956568), (4, 122978284), (8, 61489142), (11, 44719376), (13, 37839472), (16, 30744571), (22, 22359688), (26, 18919736), (44, 11179844), (52, 9459868), (88, 5589922), (104, 4729934), (143, 3439952), (163, 3017872), (176, 2794961), (208, 2364967), (286, 1719976), (326, 1508936), (572, 859988), (652, 754468), (1144, 429994), (1304, 377234), (1319, 372944), (1793, 274352), (2119, 232144), (2288, 214997), (2608, 188617), (2638, 186472), (3586, 137176), (4238, 116072), (5276, 93236), (7172, 68588), (8476, 58036), (10552, 46618), (14344, 34294), (14509, 33904), (16952, 29018), (17147, 28688), (21104, 23309)]