78318828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{310789}}^1$

素因数の和:310806

約数の個数: 36

約数和(自身を含む): 226255120

約数和(自身を除く): 147936292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 310789, 621578, 932367, 1243156, 1864734, 2175523, 2797101, 3729468, 4351046, 5594202, 6526569, 8702092, 11188404, 13053138, 19579707, 26106276, 39159414, 78318828]

約数ペア:

[(1, 78318828), (2, 39159414), (3, 26106276), (4, 19579707), (6, 13053138), (7, 11188404), (9, 8702092), (12, 6526569), (14, 5594202), (18, 4351046), (21, 3729468), (28, 2797101), (36, 2175523), (42, 1864734), (63, 1243156), (84, 932367), (126, 621578), (252, 310789)]