199639936

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{12281}}^1$

素因数の和:12422

約数の個数: 32

約数和(自身を含む): 400884480

約数和(自身を除く): 201244544

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 12281, 16256, 24562, 49124, 98248, 196496, 392992, 785984, 1559687, 1571968, 3119374, 6238748, 12477496, 24954992, 49909984, 99819968, 199639936]

約数ペア:

[(1, 199639936), (2, 99819968), (4, 49909984), (8, 24954992), (16, 12477496), (32, 6238748), (64, 3119374), (127, 1571968), (128, 1559687), (254, 785984), (508, 392992), (1016, 196496), (2032, 98248), (4064, 49124), (8128, 24562), (12281, 16256)]