393741984

素因数分解:

$2^5\times 3^1\times {\mathrm{131}}^2\times {\mathrm{239}}^1$

素因数の和:514

約数の個数: 72

約数和(自身を含む): 1045880640

約数和(自身を除く): 652138656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 131, 239, 262, 393, 478, 524, 717, 786, 956, 1048, 1434, 1572, 1912, 2096, 2868, 3144, 3824, 4192, 5736, 6288, 7648, 11472, 12576, 17161, 22944, 31309, 34322, 51483, 62618, 68644, 93927, 102966, 125236, 137288, 187854, 205932, 250472, 274576, 375708, 411864, 500944, 549152, 751416, 823728, 1001888, 1502832, 1647456, 3005664, 4101479, 8202958, 12304437, 16405916, 24608874, 32811832, 49217748, 65623664, 98435496, 131247328, 196870992, 393741984]

約数ペア:

[(1, 393741984), (2, 196870992), (3, 131247328), (4, 98435496), (6, 65623664), (8, 49217748), (12, 32811832), (16, 24608874), (24, 16405916), (32, 12304437), (48, 8202958), (96, 4101479), (131, 3005664), (239, 1647456), (262, 1502832), (393, 1001888), (478, 823728), (524, 751416), (717, 549152), (786, 500944), (956, 411864), (1048, 375708), (1434, 274576), (1572, 250472), (1912, 205932), (2096, 187854), (2868, 137288), (3144, 125236), (3824, 102966), (4192, 93927), (5736, 68644), (6288, 62618), (7648, 51483), (11472, 34322), (12576, 31309), (17161, 22944)]