25881002

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 21206998

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 653, 1043, 1306, 2086, 2831, 4571, 5662, 9142, 12407, 19817, 24814, 39634, 86849, 97297, 173698, 194594, 681079, 1362158, 1848643, 3697286, 12940501, 25881002]

約数ペア:

[(1, 25881002), (2, 12940501), (7, 3697286), (14, 1848643), (19, 1362158), (38, 681079), (133, 194594), (149, 173698), (266, 97297), (298, 86849), (653, 39634), (1043, 24814), (1306, 19817), (2086, 12407), (2831, 9142), (4571, 5662)]