27880408

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 57470400

約数和(自身を除く): 29589992

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 289, 389, 527, 578, 778, 1054, 1156, 1556, 2108, 2312, 3112, 4216, 6613, 8959, 12059, 13226, 17918, 24118, 26452, 35836, 48236, 52904, 71672, 96472, 112421, 205003, 224842, 410006, 449684, 820012, 899368, 1640024, 3485051, 6970102, 13940204, 27880408]

約数ペア:

[(1, 27880408), (2, 13940204), (4, 6970102), (8, 3485051), (17, 1640024), (31, 899368), (34, 820012), (62, 449684), (68, 410006), (124, 224842), (136, 205003), (248, 112421), (289, 96472), (389, 71672), (527, 52904), (578, 48236), (778, 35836), (1054, 26452), (1156, 24118), (1556, 17918), (2108, 13226), (2312, 12059), (3112, 8959), (4216, 6613)]