886953580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{6571}}^1$

素因数の和:6994

約数の個数: 48

約数和(自身を含む): 1977435936

約数和(自身を除く): 1090482356

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 397, 794, 1588, 1985, 3970, 6571, 6749, 7940, 13142, 13498, 26284, 26996, 32855, 33745, 65710, 67490, 111707, 131420, 134980, 223414, 446828, 558535, 1117070, 2234140, 2608687, 5217374, 10434748, 13043435, 26086870, 44347679, 52173740, 88695358, 177390716, 221738395, 443476790, 886953580]

約数ペア:

[(1, 886953580), (2, 443476790), (4, 221738395), (5, 177390716), (10, 88695358), (17, 52173740), (20, 44347679), (34, 26086870), (68, 13043435), (85, 10434748), (170, 5217374), (340, 2608687), (397, 2234140), (794, 1117070), (1588, 558535), (1985, 446828), (3970, 223414), (6571, 134980), (6749, 131420), (7940, 111707), (13142, 67490), (13498, 65710), (26284, 33745), (26996, 32855)]