219057412

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{166457}}^1$

素因数の和:166515

約数の個数: 24

約数和(自身を含む): 447439104

約数和(自身を除く): 228381692

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 166457, 332914, 665828, 1165199, 2330398, 4660796, 7823479, 15646958, 31293916, 54764353, 109528706, 219057412]

約数ペア:

[(1, 219057412), (2, 109528706), (4, 54764353), (7, 31293916), (14, 15646958), (28, 7823479), (47, 4660796), (94, 2330398), (188, 1165199), (329, 665828), (658, 332914), (1316, 166457)]