25421056

素因数分解:

$2^8\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 51100000

約数和(自身を除く): 25678944

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 499, 796, 998, 1592, 1996, 3184, 3992, 6368, 7984, 12736, 15968, 25472, 31936, 50944, 63872, 99301, 127744, 198602, 397204, 794408, 1588816, 3177632, 6355264, 12710528, 25421056]

約数ペア:

[(1, 25421056), (2, 12710528), (4, 6355264), (8, 3177632), (16, 1588816), (32, 794408), (64, 397204), (128, 198602), (199, 127744), (256, 99301), (398, 63872), (499, 50944), (796, 31936), (998, 25472), (1592, 15968), (1996, 12736), (3184, 7984), (3992, 6368)]