215507994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{145417}}^1$

素因数の和:145454

約数の個数: 32

約数和(自身を含む): 488604480

約数和(自身を除く): 273096486

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 145417, 290834, 436251, 872502, 1890421, 2762923, 3780842, 5525846, 5671263, 8288769, 11342526, 16577538, 35917999, 71835998, 107753997, 215507994]

約数ペア:

[(1, 215507994), (2, 107753997), (3, 71835998), (6, 35917999), (13, 16577538), (19, 11342526), (26, 8288769), (38, 5671263), (39, 5525846), (57, 3780842), (78, 2762923), (114, 1890421), (247, 872502), (494, 436251), (741, 290834), (1482, 145417)]