268638505

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 366042240

約数和(自身を除く): 97403735

約数列:

[1, 5, 17, 23, 59, 85, 115, 137, 289, 295, 391, 685, 1003, 1357, 1445, 1955, 2329, 3151, 5015, 6647, 6785, 8083, 11645, 15755, 17051, 23069, 33235, 39593, 40415, 53567, 85255, 115345, 137411, 185909, 197965, 267835, 392173, 687055, 910639, 929545, 1960865, 2335987, 3160453, 4553195, 11679935, 15802265, 53727701, 268638505]

約数ペア:

[(1, 268638505), (5, 53727701), (17, 15802265), (23, 11679935), (59, 4553195), (85, 3160453), (115, 2335987), (137, 1960865), (289, 929545), (295, 910639), (391, 687055), (685, 392173), (1003, 267835), (1357, 197965), (1445, 185909), (1955, 137411), (2329, 115345), (3151, 85255), (5015, 53567), (6647, 40415), (6785, 39593), (8083, 33235), (11645, 23069), (15755, 17051)]