281371832

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{21023}}^1$

素因数の和:21275

約数の個数: 32

約数和(自身を含む): 605491200

約数和(自身を除く): 324119368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1673, 1912, 3346, 6692, 13384, 21023, 42046, 84092, 147161, 168184, 294322, 588644, 1177288, 5024497, 10048994, 20097988, 35171479, 40195976, 70342958, 140685916, 281371832]

約数ペア:

[(1, 281371832), (2, 140685916), (4, 70342958), (7, 40195976), (8, 35171479), (14, 20097988), (28, 10048994), (56, 5024497), (239, 1177288), (478, 588644), (956, 294322), (1673, 168184), (1912, 147161), (3346, 84092), (6692, 42046), (13384, 21023)]