1275235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 1721664

約数和(自身を除く): 446429

約数列:

[1, 5, 13, 23, 65, 115, 299, 853, 1495, 4265, 11089, 19619, 55445, 98095, 255047, 1275235]

約数ペア:

[(1, 1275235), (5, 255047), (13, 98095), (23, 55445), (65, 19619), (115, 11089), (299, 4265), (853, 1495)]