291264784

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{230431}}^1$

素因数の和:230518

約数の個数: 20

約数和(自身を含む): 571471360

約数和(自身を除く): 280206576

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 230431, 460862, 921724, 1843448, 3686896, 18204049, 36408098, 72816196, 145632392, 291264784]

約数ペア:

[(1, 291264784), (2, 145632392), (4, 72816196), (8, 36408098), (16, 18204049), (79, 3686896), (158, 1843448), (316, 921724), (632, 460862), (1264, 230431)]