28874454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 69353472

約数和(自身を除く): 40479018

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 67, 93, 134, 186, 201, 217, 331, 402, 434, 469, 651, 662, 938, 993, 1302, 1407, 1986, 2077, 2317, 2814, 4154, 4634, 6231, 6951, 10261, 12462, 13902, 14539, 20522, 22177, 29078, 30783, 43617, 44354, 61566, 66531, 71827, 87234, 133062, 143654, 155239, 215481, 310478, 430962, 465717, 687487, 931434, 1374974, 2062461, 4124922, 4812409, 9624818, 14437227, 28874454]

約数ペア:

[(1, 28874454), (2, 14437227), (3, 9624818), (6, 4812409), (7, 4124922), (14, 2062461), (21, 1374974), (31, 931434), (42, 687487), (62, 465717), (67, 430962), (93, 310478), (134, 215481), (186, 155239), (201, 143654), (217, 133062), (331, 87234), (402, 71827), (434, 66531), (469, 61566), (651, 44354), (662, 43617), (938, 30783), (993, 29078), (1302, 22177), (1407, 20522), (1986, 14539), (2077, 13902), (2317, 12462), (2814, 10261), (4154, 6951), (4634, 6231)]