156748774465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{20720261}}^1$

素因数の和:20720372

約数の個数: 16

約数和(自身を含む): 201400946640

約数和(自身を除く): 44652172175

約数列:

[1, 5, 17, 85, 89, 445, 1513, 7565, 20720261, 103601305, 352244437, 1761222185, 1844103229, 9220516145, 31349754893, 156748774465]

約数ペア:

[(1, 156748774465), (5, 31349754893), (17, 9220516145), (85, 1844103229), (89, 1761222185), (445, 352244437), (1513, 103601305), (7565, 20720261)]