289208216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2124

約数の個数: 64

約数和(自身を含む): 633134880

約数和(自身を除く): 343926664

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 97, 136, 187, 194, 374, 388, 748, 776, 1067, 1496, 1649, 1993, 2134, 3298, 3986, 4268, 6596, 7972, 8536, 13192, 15944, 18139, 21923, 33881, 36278, 43846, 67762, 72556, 87692, 135524, 145112, 175384, 193321, 271048, 372691, 386642, 745382, 773284, 1490764, 1546568, 2126531, 2981528, 3286457, 4253062, 6572914, 8506124, 13145828, 17012248, 26291656, 36151027, 72302054, 144604108, 289208216]

約数ペア:

[(1, 289208216), (2, 144604108), (4, 72302054), (8, 36151027), (11, 26291656), (17, 17012248), (22, 13145828), (34, 8506124), (44, 6572914), (68, 4253062), (88, 3286457), (97, 2981528), (136, 2126531), (187, 1546568), (194, 1490764), (374, 773284), (388, 745382), (748, 386642), (776, 372691), (1067, 271048), (1496, 193321), (1649, 175384), (1993, 145112), (2134, 135524), (3298, 87692), (3986, 72556), (4268, 67762), (6596, 43846), (7972, 36278), (8536, 33881), (13192, 21923), (15944, 18139)]