2485904

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:878

約数の個数: 20

約数和(自身を含む): 4843440

約数和(自身を除く): 2357536

約数列:

[1, 2, 4, 8, 16, 251, 502, 619, 1004, 1238, 2008, 2476, 4016, 4952, 9904, 155369, 310738, 621476, 1242952, 2485904]

約数ペア:

[(1, 2485904), (2, 1242952), (4, 621476), (8, 310738), (16, 155369), (251, 9904), (502, 4952), (619, 4016), (1004, 2476), (1238, 2008)]