638291214

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{17239}}^1$

素因数の和:17286

約数の個数: 72

約数和(自身を含む): 1609629840

約数和(自身を除く): 971338626

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 121, 153, 187, 198, 242, 306, 363, 374, 561, 726, 1089, 1122, 1683, 2057, 2178, 3366, 4114, 6171, 12342, 17239, 18513, 34478, 37026, 51717, 103434, 155151, 189629, 293063, 310302, 379258, 568887, 586126, 879189, 1137774, 1706661, 1758378, 2085919, 2637567, 3223693, 3413322, 4171838, 5275134, 6257757, 6447386, 9671079, 12515514, 18773271, 19342158, 29013237, 35460623, 37546542, 58026474, 70921246, 106381869, 212763738, 319145607, 638291214]

約数ペア:

[(1, 638291214), (2, 319145607), (3, 212763738), (6, 106381869), (9, 70921246), (11, 58026474), (17, 37546542), (18, 35460623), (22, 29013237), (33, 19342158), (34, 18773271), (51, 12515514), (66, 9671079), (99, 6447386), (102, 6257757), (121, 5275134), (153, 4171838), (187, 3413322), (198, 3223693), (242, 2637567), (306, 2085919), (363, 1758378), (374, 1706661), (561, 1137774), (726, 879189), (1089, 586126), (1122, 568887), (1683, 379258), (2057, 310302), (2178, 293063), (3366, 189629), (4114, 155151), (6171, 103434), (12342, 51717), (17239, 37026), (18513, 34478)]