642116901890

素因数分解:

$2^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{74405203}}^1$

素因数の和:74406073

約数の個数: 16

約数和(自身を含む): 1157149732608

約数和(自身を除く): 515032830718

約数列:

[1, 2, 5, 10, 863, 1726, 4315, 8630, 74405203, 148810406, 372026015, 744052030, 64211690189, 128423380378, 321058450945, 642116901890]

約数ペア:

[(1, 642116901890), (2, 321058450945), (5, 128423380378), (10, 64211690189), (863, 744052030), (1726, 372026015), (4315, 148810406), (8630, 74405203)]