42157954

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 67709952

約数和(自身を除く): 25551998

約数列:

[1, 2, 31, 61, 62, 71, 122, 142, 157, 314, 1891, 2201, 3782, 4331, 4402, 4867, 8662, 9577, 9734, 11147, 19154, 22294, 134261, 268522, 296887, 345557, 593774, 679967, 691114, 1359934, 21078977, 42157954]

約数ペア:

[(1, 42157954), (2, 21078977), (31, 1359934), (61, 691114), (62, 679967), (71, 593774), (122, 345557), (142, 296887), (157, 268522), (314, 134261), (1891, 22294), (2201, 19154), (3782, 11147), (4331, 9734), (4402, 9577), (4867, 8662)]