31278786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 79073280

約数和(自身を除く): 47794494

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 154, 158, 231, 237, 462, 474, 553, 857, 869, 1106, 1659, 1714, 1738, 2571, 2607, 3318, 5142, 5214, 5999, 6083, 9427, 11998, 12166, 17997, 18249, 18854, 28281, 35994, 36498, 56562, 65989, 67703, 131978, 135406, 197967, 203109, 395934, 406218, 473921, 744733, 947842, 1421763, 1489466, 2234199, 2843526, 4468398, 5213131, 10426262, 15639393, 31278786]

約数ペア:

[(1, 31278786), (2, 15639393), (3, 10426262), (6, 5213131), (7, 4468398), (11, 2843526), (14, 2234199), (21, 1489466), (22, 1421763), (33, 947842), (42, 744733), (66, 473921), (77, 406218), (79, 395934), (154, 203109), (158, 197967), (231, 135406), (237, 131978), (462, 67703), (474, 65989), (553, 56562), (857, 36498), (869, 35994), (1106, 28281), (1659, 18854), (1714, 18249), (1738, 17997), (2571, 12166), (2607, 11998), (3318, 9427), (5142, 6083), (5214, 5999)]