217551402

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{86951}}^1$

素因数の和:87098

約数の個数: 24

約数和(自身を含む): 474757920

約数和(自身を除く): 257206518

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 86951, 173902, 260853, 521706, 782559, 1565118, 12086189, 24172378, 36258567, 72517134, 108775701, 217551402]

約数ペア:

[(1, 217551402), (2, 108775701), (3, 72517134), (6, 36258567), (9, 24172378), (18, 12086189), (139, 1565118), (278, 782559), (417, 521706), (834, 260853), (1251, 173902), (2502, 86951)]