89589296

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 178787664

約数和(自身を除く): 89198368

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 197, 344, 394, 661, 688, 788, 1322, 1576, 2644, 3152, 5288, 8471, 10576, 16942, 28423, 33884, 56846, 67768, 113692, 130217, 135536, 227384, 260434, 454768, 520868, 1041736, 2083472, 5599331, 11198662, 22397324, 44794648, 89589296]

約数ペア:

[(1, 89589296), (2, 44794648), (4, 22397324), (8, 11198662), (16, 5599331), (43, 2083472), (86, 1041736), (172, 520868), (197, 454768), (344, 260434), (394, 227384), (661, 135536), (688, 130217), (788, 113692), (1322, 67768), (1576, 56846), (2644, 33884), (3152, 28423), (5288, 16942), (8471, 10576)]