1288291728

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 3372855552

約数和(自身を除く): 2084563824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 211, 262, 393, 422, 524, 633, 786, 844, 971, 1048, 1266, 1572, 1688, 1942, 2096, 2532, 2913, 3144, 3376, 3884, 5064, 5826, 6288, 7768, 10128, 11652, 15536, 23304, 27641, 46608, 55282, 82923, 110564, 127201, 165846, 204881, 221128, 254402, 331692, 381603, 409762, 442256, 508804, 614643, 663384, 763206, 819524, 1017608, 1229286, 1326768, 1526412, 1639048, 2035216, 2458572, 3052824, 3278096, 4917144, 6105648, 9834288, 26839411, 53678822, 80518233, 107357644, 161036466, 214715288, 322072932, 429430576, 644145864, 1288291728]

約数ペア:

[(1, 1288291728), (2, 644145864), (3, 429430576), (4, 322072932), (6, 214715288), (8, 161036466), (12, 107357644), (16, 80518233), (24, 53678822), (48, 26839411), (131, 9834288), (211, 6105648), (262, 4917144), (393, 3278096), (422, 3052824), (524, 2458572), (633, 2035216), (786, 1639048), (844, 1526412), (971, 1326768), (1048, 1229286), (1266, 1017608), (1572, 819524), (1688, 763206), (1942, 663384), (2096, 614643), (2532, 508804), (2913, 442256), (3144, 409762), (3376, 381603), (3884, 331692), (5064, 254402), (5826, 221128), (6288, 204881), (7768, 165846), (10128, 127201), (11652, 110564), (15536, 82923), (23304, 55282), (27641, 46608)]