216845909

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{8263}}^1$

素因数の和:8456

約数の個数: 16

約数和(自身を含む): 260216832

約数和(自身を除く): 43370923

約数列:

[1, 7, 23, 161, 163, 1141, 3749, 8263, 26243, 57841, 190049, 1330343, 1346869, 9428083, 30977987, 216845909]

約数ペア:

[(1, 216845909), (7, 30977987), (23, 9428083), (161, 1346869), (163, 1330343), (1141, 190049), (3749, 57841), (8263, 26243)]