217507916

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{509}}^1\times {\mathrm{2273}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 389672640

約数和(自身を除く): 172164724

約数列:

[1, 2, 4, 47, 94, 188, 509, 1018, 2036, 2273, 4546, 9092, 23923, 47846, 95692, 106831, 213662, 427324, 1156957, 2313914, 4627828, 54376979, 108753958, 217507916]

約数ペア:

[(1, 217507916), (2, 108753958), (4, 54376979), (47, 4627828), (94, 2313914), (188, 1156957), (509, 427324), (1018, 213662), (2036, 106831), (2273, 95692), (4546, 47846), (9092, 23923)]