259552072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 538090560

約数和(自身を除く): 278538488

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 163, 244, 251, 326, 488, 502, 652, 793, 1004, 1304, 1586, 2008, 2119, 3172, 3263, 4238, 6344, 6526, 8476, 9943, 13052, 15311, 16952, 19886, 26104, 30622, 39772, 40913, 61244, 79544, 81826, 122488, 129259, 163652, 199043, 258518, 327304, 398086, 517036, 531869, 796172, 1034072, 1063738, 1592344, 2127476, 2495693, 4254952, 4991386, 9982772, 19965544, 32444009, 64888018, 129776036, 259552072]

約数ペア:

[(1, 259552072), (2, 129776036), (4, 64888018), (8, 32444009), (13, 19965544), (26, 9982772), (52, 4991386), (61, 4254952), (104, 2495693), (122, 2127476), (163, 1592344), (244, 1063738), (251, 1034072), (326, 796172), (488, 531869), (502, 517036), (652, 398086), (793, 327304), (1004, 258518), (1304, 199043), (1586, 163652), (2008, 129259), (2119, 122488), (3172, 81826), (3263, 79544), (4238, 61244), (6344, 40913), (6526, 39772), (8476, 30622), (9943, 26104), (13052, 19886), (15311, 16952)]