661720824

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{70157}}^1$

素因数の和:70300

約数の個数: 48

約数和(自身を含む): 1805866920

約数和(自身を除く): 1144146096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 70157, 140314, 210471, 280628, 420942, 561256, 631413, 841884, 1262826, 1683768, 2525652, 5051304, 9190567, 18381134, 27571701, 36762268, 55143402, 73524536, 82715103, 110286804, 165430206, 220573608, 330860412, 661720824]

約数ペア:

[(1, 661720824), (2, 330860412), (3, 220573608), (4, 165430206), (6, 110286804), (8, 82715103), (9, 73524536), (12, 55143402), (18, 36762268), (24, 27571701), (36, 18381134), (72, 9190567), (131, 5051304), (262, 2525652), (393, 1683768), (524, 1262826), (786, 841884), (1048, 631413), (1179, 561256), (1572, 420942), (2358, 280628), (3144, 210471), (4716, 140314), (9432, 70157)]