78919253

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{5573}}^1$

素因数の和:5621

約数の個数: 18

約数和(自身を含む): 97539426

約数和(自身を除く): 18620173

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 5573, 14161, 39011, 94741, 273077, 663187, 1610597, 4642309, 11274179, 78919253]

約数ペア:

[(1, 78919253), (7, 11274179), (17, 4642309), (49, 1610597), (119, 663187), (289, 273077), (833, 94741), (2023, 39011), (5573, 14161)]