251017452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1123}}^1$

素因数の和:2027

約数の個数: 72

約数和(自身を含む): 726625536

約数和(自身を除く): 475608084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 887, 1123, 1774, 2246, 2661, 3369, 3548, 4492, 5322, 6209, 6738, 7861, 7983, 10107, 10644, 12418, 13476, 15722, 15966, 18627, 20214, 23583, 24836, 31444, 31932, 37254, 40428, 47166, 55881, 70749, 74508, 94332, 111762, 141498, 223524, 282996, 996101, 1992202, 2988303, 3984404, 5976606, 6972707, 8964909, 11953212, 13945414, 17929818, 20918121, 27890828, 35859636, 41836242, 62754363, 83672484, 125508726, 251017452]

約数ペア:

[(1, 251017452), (2, 125508726), (3, 83672484), (4, 62754363), (6, 41836242), (7, 35859636), (9, 27890828), (12, 20918121), (14, 17929818), (18, 13945414), (21, 11953212), (28, 8964909), (36, 6972707), (42, 5976606), (63, 3984404), (84, 2988303), (126, 1992202), (252, 996101), (887, 282996), (1123, 223524), (1774, 141498), (2246, 111762), (2661, 94332), (3369, 74508), (3548, 70749), (4492, 55881), (5322, 47166), (6209, 40428), (6738, 37254), (7861, 31932), (7983, 31444), (10107, 24836), (10644, 23583), (12418, 20214), (13476, 18627), (15722, 15966)]