291229744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1400143}}^1$

素因数の和:1400164

約数の個数: 20

約数和(自身を含む): 607662496

約数和(自身を除く): 316432752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1400143, 2800286, 5600572, 11201144, 18201859, 22402288, 36403718, 72807436, 145614872, 291229744]

約数ペア:

[(1, 291229744), (2, 145614872), (4, 72807436), (8, 36403718), (13, 22402288), (16, 18201859), (26, 11201144), (52, 5600572), (104, 2800286), (208, 1400143)]