389315528

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131171}}^1$

素因数の和:131237

約数の個数: 32

約数和(自身を含む): 849994560

約数和(自身を除く): 460679032

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 131171, 262342, 524684, 918197, 1049368, 1836394, 3672788, 6952063, 7345576, 13904126, 27808252, 48664441, 55616504, 97328882, 194657764, 389315528]

約数ペア:

[(1, 389315528), (2, 194657764), (4, 97328882), (7, 55616504), (8, 48664441), (14, 27808252), (28, 13904126), (53, 7345576), (56, 6952063), (106, 3672788), (212, 1836394), (371, 1049368), (424, 918197), (742, 524684), (1484, 262342), (2968, 131171)]