42409705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 56920320

約数和(自身を除く): 14510615

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 1619, 2015, 5239, 8095, 21047, 26195, 50189, 105235, 250945, 273611, 652457, 1368055, 3262285, 8481941, 42409705]

約数ペア:

[(1, 42409705), (5, 8481941), (13, 3262285), (31, 1368055), (65, 652457), (155, 273611), (169, 250945), (403, 105235), (845, 50189), (1619, 26195), (2015, 21047), (5239, 8095)]