71213758

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 139995648

約数和(自身を除く): 68781890

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 682, 1078, 1519, 2131, 2387, 3038, 4262, 4774, 14917, 16709, 23441, 29834, 33418, 46882, 66061, 104419, 132122, 164087, 208838, 328174, 462427, 726671, 924854, 1148609, 1453342, 2297218, 3236989, 5086697, 6473978, 10173394, 35606879, 71213758]

約数ペア:

[(1, 71213758), (2, 35606879), (7, 10173394), (11, 6473978), (14, 5086697), (22, 3236989), (31, 2297218), (49, 1453342), (62, 1148609), (77, 924854), (98, 726671), (154, 462427), (217, 328174), (341, 208838), (434, 164087), (539, 132122), (682, 104419), (1078, 66061), (1519, 46882), (2131, 33418), (2387, 29834), (3038, 23441), (4262, 16709), (4774, 14917)]