664620905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{1511}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 880927488

約数和(自身を除く): 216306583

約数列:

[1, 5, 13, 65, 67, 101, 335, 505, 871, 1313, 1511, 4355, 6565, 6767, 7555, 19643, 33835, 87971, 98215, 101237, 152611, 439855, 506185, 763055, 1316081, 1983943, 6580405, 9919715, 10224937, 51124685, 132924181, 664620905]

約数ペア:

[(1, 664620905), (5, 132924181), (13, 51124685), (65, 10224937), (67, 9919715), (101, 6580405), (335, 1983943), (505, 1316081), (871, 763055), (1313, 506185), (1511, 439855), (4355, 152611), (6565, 101237), (6767, 98215), (7555, 87971), (19643, 33835)]