1988699153

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 2352960000

約数和(自身を除く): 364260847

約数列:

[1, 7, 49, 79, 257, 553, 1799, 1999, 3871, 12593, 13993, 20303, 97951, 142121, 157921, 513743, 994847, 1105447, 3596201, 7738129, 25173407, 40585697, 284099879, 1988699153]

約数ペア:

[(1, 1988699153), (7, 284099879), (49, 40585697), (79, 25173407), (257, 7738129), (553, 3596201), (1799, 1105447), (1999, 994847), (3871, 513743), (12593, 157921), (13993, 142121), (20303, 97951)]