8280453905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 10448331264

約数和(自身を除く): 2167877359

約数列:

[1, 5, 23, 115, 257, 503, 557, 1285, 2515, 2785, 5911, 11569, 12811, 29555, 57845, 64055, 129271, 143149, 280171, 646355, 715745, 1400855, 2973233, 3292427, 6443933, 14866165, 16462135, 32219665, 72003947, 360019735, 1656090781, 8280453905]

約数ペア:

[(1, 8280453905), (5, 1656090781), (23, 360019735), (115, 72003947), (257, 32219665), (503, 16462135), (557, 14866165), (1285, 6443933), (2515, 3292427), (2785, 2973233), (5911, 1400855), (11569, 715745), (12811, 646355), (29555, 280171), (57845, 143149), (64055, 129271)]