31391248

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16487}}^1$

素因数の和:16519

約数の個数: 40

約数和(自身を含む): 73602432

約数和(自身を除く): 42211184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 16487, 32974, 65948, 115409, 131896, 230818, 263792, 280279, 461636, 560558, 923272, 1121116, 1846544, 1961953, 2242232, 3923906, 4484464, 7847812, 15695624, 31391248]

約数ペア:

[(1, 31391248), (2, 15695624), (4, 7847812), (7, 4484464), (8, 3923906), (14, 2242232), (16, 1961953), (17, 1846544), (28, 1121116), (34, 923272), (56, 560558), (68, 461636), (112, 280279), (119, 263792), (136, 230818), (238, 131896), (272, 115409), (476, 65948), (952, 32974), (1904, 16487)]