398936646

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{541}}^1\times {\mathrm{577}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 879679008

約数和(自身を除く): 480742362

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 541, 577, 639, 1082, 1154, 1278, 1623, 1731, 3246, 3462, 4869, 5193, 9738, 10386, 38411, 40967, 76822, 81934, 115233, 122901, 230466, 245802, 312157, 345699, 368703, 624314, 691398, 737406, 936471, 1872942, 2809413, 5618826, 22163147, 44326294, 66489441, 132978882, 199468323, 398936646]

約数ペア:

[(1, 398936646), (2, 199468323), (3, 132978882), (6, 66489441), (9, 44326294), (18, 22163147), (71, 5618826), (142, 2809413), (213, 1872942), (426, 936471), (541, 737406), (577, 691398), (639, 624314), (1082, 368703), (1154, 345699), (1278, 312157), (1623, 245802), (1731, 230466), (3246, 122901), (3462, 115233), (4869, 81934), (5193, 76822), (9738, 40967), (10386, 38411)]