388851872

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:910

約数の個数: 72

約数和(自身を含む): 828679572

約数和(自身を除く): 439827700

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 361, 608, 656, 722, 779, 821, 1312, 1444, 1558, 1642, 2888, 3116, 3284, 5776, 6232, 6568, 11552, 12464, 13136, 14801, 15599, 24928, 26272, 29602, 31198, 33661, 59204, 62396, 67322, 118408, 124792, 134644, 236816, 249584, 269288, 296381, 473632, 499168, 538576, 592762, 639559, 1077152, 1185524, 1279118, 2371048, 2558236, 4742096, 5116472, 9484192, 10232944, 12151621, 20465888, 24303242, 48606484, 97212968, 194425936, 388851872]

約数ペア:

[(1, 388851872), (2, 194425936), (4, 97212968), (8, 48606484), (16, 24303242), (19, 20465888), (32, 12151621), (38, 10232944), (41, 9484192), (76, 5116472), (82, 4742096), (152, 2558236), (164, 2371048), (304, 1279118), (328, 1185524), (361, 1077152), (608, 639559), (656, 592762), (722, 538576), (779, 499168), (821, 473632), (1312, 296381), (1444, 269288), (1558, 249584), (1642, 236816), (2888, 134644), (3116, 124792), (3284, 118408), (5776, 67322), (6232, 62396), (6568, 59204), (11552, 33661), (12464, 31198), (13136, 29602), (14801, 26272), (15599, 24928)]