279901084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{41381}}^1$

素因数の和:41493

約数の個数: 24

約数和(自身を含む): 521413200

約数和(自身を除く): 241512116

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 41381, 82762, 165524, 786239, 1572478, 3144956, 3682909, 7365818, 14731636, 69975271, 139950542, 279901084]

約数ペア:

[(1, 279901084), (2, 139950542), (4, 69975271), (19, 14731636), (38, 7365818), (76, 3682909), (89, 3144956), (178, 1572478), (356, 786239), (1691, 165524), (3382, 82762), (6764, 41381)]