30921904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{148663}}^1$

素因数の和:148684

約数の個数: 20

約数和(自身を含む): 64520176

約数和(自身を除く): 33598272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 148663, 297326, 594652, 1189304, 1932619, 2378608, 3865238, 7730476, 15460952, 30921904]

約数ペア:

[(1, 30921904), (2, 15460952), (4, 7730476), (8, 3865238), (13, 2378608), (16, 1932619), (26, 1189304), (52, 594652), (104, 297326), (208, 148663)]