221600648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 234591352

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 131, 152, 248, 262, 359, 524, 589, 718, 1048, 1178, 1436, 2356, 2489, 2872, 4061, 4712, 4978, 6821, 8122, 9956, 11129, 13642, 16244, 19912, 22258, 27284, 32488, 44516, 47029, 54568, 77159, 89032, 94058, 154318, 188116, 211451, 308636, 376232, 422902, 617272, 845804, 893551, 1457899, 1691608, 1787102, 2915798, 3574204, 5831596, 7148408, 11663192, 27700081, 55400162, 110800324, 221600648]

約数ペア:

[(1, 221600648), (2, 110800324), (4, 55400162), (8, 27700081), (19, 11663192), (31, 7148408), (38, 5831596), (62, 3574204), (76, 2915798), (124, 1787102), (131, 1691608), (152, 1457899), (248, 893551), (262, 845804), (359, 617272), (524, 422902), (589, 376232), (718, 308636), (1048, 211451), (1178, 188116), (1436, 154318), (2356, 94058), (2489, 89032), (2872, 77159), (4061, 54568), (4712, 47029), (4978, 44516), (6821, 32488), (8122, 27284), (9956, 22258), (11129, 19912), (13642, 16244)]