1291278704

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{8297}}^1$

素因数の和:8513

約数の個数: 40

約数和(自身を含む): 2555916768

約数和(自身を除く): 1264638064

約数列:

[1, 2, 4, 8, 16, 71, 137, 142, 274, 284, 548, 568, 1096, 1136, 2192, 8297, 9727, 16594, 19454, 33188, 38908, 66376, 77816, 132752, 155632, 589087, 1136689, 1178174, 2273378, 2356348, 4546756, 4712696, 9093512, 9425392, 18187024, 80704919, 161409838, 322819676, 645639352, 1291278704]

約数ペア:

[(1, 1291278704), (2, 645639352), (4, 322819676), (8, 161409838), (16, 80704919), (71, 18187024), (137, 9425392), (142, 9093512), (274, 4712696), (284, 4546756), (548, 2356348), (568, 2273378), (1096, 1178174), (1136, 1136689), (2192, 589087), (8297, 155632), (9727, 132752), (16594, 77816), (19454, 66376), (33188, 38908)]