66489488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{857}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 139267128

約数和(自身を除く): 72777640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 373, 746, 857, 1492, 1714, 2984, 3428, 4849, 5968, 6856, 9698, 11141, 13712, 19396, 22282, 38792, 44564, 77584, 89128, 178256, 319661, 639322, 1278644, 2557288, 4155593, 5114576, 8311186, 16622372, 33244744, 66489488]

約数ペア:

[(1, 66489488), (2, 33244744), (4, 16622372), (8, 8311186), (13, 5114576), (16, 4155593), (26, 2557288), (52, 1278644), (104, 639322), (208, 319661), (373, 178256), (746, 89128), (857, 77584), (1492, 44564), (1714, 38792), (2984, 22282), (3428, 19396), (4849, 13712), (5968, 11141), (6856, 9698)]