258047408

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{220931}}^1$

素因数の和:221012

約数の個数: 20

約数和(自身を含む): 506818008

約数和(自身を除く): 248770600

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 220931, 441862, 883724, 1767448, 3534896, 16127963, 32255926, 64511852, 129023704, 258047408]

約数ペア:

[(1, 258047408), (2, 129023704), (4, 64511852), (8, 32255926), (16, 16127963), (73, 3534896), (146, 1767448), (292, 883724), (584, 441862), (1168, 220931)]