251784148

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4027}}^1$

素因数の和:4085

約数の個数: 72

約数和(自身を含む): 578581920

約数和(自身を除く): 326797772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 1078, 1276, 1421, 2156, 2233, 2842, 4027, 4466, 5684, 8054, 8932, 15631, 16108, 28189, 31262, 44297, 56378, 62524, 88594, 112756, 116783, 177188, 197323, 233566, 310079, 394646, 467132, 620158, 789292, 817481, 1240316, 1284613, 1634962, 2170553, 2569226, 3269924, 4341106, 5138452, 5722367, 8682212, 8992291, 11444734, 17984582, 22889468, 35969164, 62946037, 125892074, 251784148]

約数ペア:

[(1, 251784148), (2, 125892074), (4, 62946037), (7, 35969164), (11, 22889468), (14, 17984582), (22, 11444734), (28, 8992291), (29, 8682212), (44, 5722367), (49, 5138452), (58, 4341106), (77, 3269924), (98, 2569226), (116, 2170553), (154, 1634962), (196, 1284613), (203, 1240316), (308, 817481), (319, 789292), (406, 620158), (539, 467132), (638, 394646), (812, 310079), (1078, 233566), (1276, 197323), (1421, 177188), (2156, 116783), (2233, 112756), (2842, 88594), (4027, 62524), (4466, 56378), (5684, 44297), (8054, 31262), (8932, 28189), (15631, 16108)]