290212328

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167173}}^1$

素因数の和:167217

約数の個数: 32

約数和(自身を含む): 641948160

約数和(自身を除く): 351735832

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 167173, 334346, 668692, 1170211, 1337384, 2340422, 4680844, 5182363, 9361688, 10364726, 20729452, 36276541, 41458904, 72553082, 145106164, 290212328]

約数ペア:

[(1, 290212328), (2, 145106164), (4, 72553082), (7, 41458904), (8, 36276541), (14, 20729452), (28, 10364726), (31, 9361688), (56, 5182363), (62, 4680844), (124, 2340422), (217, 1337384), (248, 1170211), (434, 668692), (868, 334346), (1736, 167173)]