1278554018

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79621}}^1$

素因数の和:79698

約数の個数: 32

約数和(自身を含む): 2323688448

約数和(自身を除く): 1045134430

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 217, 259, 434, 518, 1147, 2294, 8029, 16058, 79621, 159242, 557347, 1114694, 2468251, 2945977, 4936502, 5891954, 17277757, 20621839, 34555514, 41243678, 91325287, 182650574, 639277009, 1278554018]

約数ペア:

[(1, 1278554018), (2, 639277009), (7, 182650574), (14, 91325287), (31, 41243678), (37, 34555514), (62, 20621839), (74, 17277757), (217, 5891954), (259, 4936502), (434, 2945977), (518, 2468251), (1147, 1114694), (2294, 557347), (8029, 159242), (16058, 79621)]