221465264

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{72469}}^1$

素因数の和:72668

約数の個数: 20

約数和(自身を含む): 431341440

約数和(自身を除く): 209876176

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 72469, 144938, 289876, 579752, 1159504, 13841579, 27683158, 55366316, 110732632, 221465264]

約数ペア:

[(1, 221465264), (2, 110732632), (4, 55366316), (8, 27683158), (16, 13841579), (191, 1159504), (382, 579752), (764, 289876), (1528, 144938), (3056, 72469)]