31400957

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 8080387

約数列:

[1, 7, 23, 41, 67, 71, 161, 287, 469, 497, 943, 1541, 1633, 2747, 2911, 4757, 6601, 10787, 11431, 19229, 20377, 33299, 63181, 66953, 109411, 195037, 442267, 468671, 765877, 1365259, 4485851, 31400957]

約数ペア:

[(1, 31400957), (7, 4485851), (23, 1365259), (41, 765877), (67, 468671), (71, 442267), (161, 195037), (287, 109411), (469, 66953), (497, 63181), (943, 33299), (1541, 20377), (1633, 19229), (2747, 11431), (2911, 10787), (4757, 6601)]