64490768

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 128563200

約数和(自身を除く): 64072432

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 191, 376, 382, 449, 752, 764, 898, 1528, 1796, 3056, 3592, 7184, 8977, 17954, 21103, 35908, 42206, 71816, 84412, 85759, 143632, 168824, 171518, 337648, 343036, 686072, 1372144, 4030673, 8061346, 16122692, 32245384, 64490768]

約数ペア:

[(1, 64490768), (2, 32245384), (4, 16122692), (8, 8061346), (16, 4030673), (47, 1372144), (94, 686072), (188, 343036), (191, 337648), (376, 171518), (382, 168824), (449, 143632), (752, 85759), (764, 84412), (898, 71816), (1528, 42206), (1796, 35908), (3056, 21103), (3592, 17954), (7184, 8977)]