1555216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7477}}^1$

素因数の和:7498

約数の個数: 20

約数和(自身を含む): 3245452

約数和(自身を除く): 1690236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7477, 14954, 29908, 59816, 97201, 119632, 194402, 388804, 777608, 1555216]

約数ペア:

[(1, 1555216), (2, 777608), (4, 388804), (8, 194402), (13, 119632), (16, 97201), (26, 59816), (52, 29908), (104, 14954), (208, 7477)]