15721444198

素因数分解:

$2^1\times {\mathrm{557}}^1\times {\mathrm{1229}}^1\times {\mathrm{11483}}^1$

素因数の和:13271

約数の個数: 16

約数和(自身を含む): 23645785680

約数和(自身を除く): 7924341482

約数列:

[1, 2, 557, 1114, 1229, 2458, 11483, 22966, 684553, 1369106, 6396031, 12792062, 14112607, 28225214, 7860722099, 15721444198]

約数ペア:

[(1, 15721444198), (2, 7860722099), (557, 28225214), (1114, 14112607), (1229, 12792062), (2458, 6396031), (11483, 1369106), (22966, 684553)]