25571218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 15928430

約数列:

[1, 2, 31, 37, 62, 71, 74, 142, 157, 314, 1147, 2201, 2294, 2627, 4402, 4867, 5254, 5809, 9734, 11147, 11618, 22294, 81437, 162874, 180079, 345557, 360158, 412439, 691114, 824878, 12785609, 25571218]

約数ペア:

[(1, 25571218), (2, 12785609), (31, 824878), (37, 691114), (62, 412439), (71, 360158), (74, 345557), (142, 180079), (157, 162874), (314, 81437), (1147, 22294), (2201, 11618), (2294, 11147), (2627, 9734), (4402, 5809), (4867, 5254)]