25309518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 32267442

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 67, 78, 87, 134, 167, 174, 201, 334, 377, 402, 501, 754, 871, 1002, 1131, 1742, 1943, 2171, 2262, 2613, 3886, 4342, 4843, 5226, 5829, 6513, 9686, 11189, 11658, 13026, 14529, 22378, 25259, 29058, 33567, 50518, 62959, 67134, 75777, 125918, 145457, 151554, 188877, 290914, 324481, 377754, 436371, 648962, 872742, 973443, 1946886, 4218253, 8436506, 12654759, 25309518]

約数ペア:

[(1, 25309518), (2, 12654759), (3, 8436506), (6, 4218253), (13, 1946886), (26, 973443), (29, 872742), (39, 648962), (58, 436371), (67, 377754), (78, 324481), (87, 290914), (134, 188877), (167, 151554), (174, 145457), (201, 125918), (334, 75777), (377, 67134), (402, 62959), (501, 50518), (754, 33567), (871, 29058), (1002, 25259), (1131, 22378), (1742, 14529), (1943, 13026), (2171, 11658), (2262, 11189), (2613, 9686), (3886, 6513), (4342, 5829), (4843, 5226)]