16928015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 22688064

約数和(自身を除く): 5760049

約数列:

[1, 5, 13, 31, 65, 155, 271, 403, 961, 1355, 2015, 3523, 4805, 8401, 12493, 17615, 42005, 62465, 109213, 260431, 546065, 1302155, 3385603, 16928015]

約数ペア:

[(1, 16928015), (5, 3385603), (13, 1302155), (31, 546065), (65, 260431), (155, 109213), (271, 62465), (403, 42005), (961, 17615), (1355, 12493), (2015, 8401), (3523, 4805)]