897798385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{1447}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 1219795200

約数和(自身を除く): 321996815

約数列:

[1, 5, 11, 29, 55, 145, 319, 389, 1447, 1595, 1945, 4279, 7235, 11281, 15917, 21395, 41963, 56405, 79585, 124091, 209815, 461593, 562883, 620455, 2307965, 2814415, 6191713, 16323607, 30958565, 81618035, 179559677, 897798385]

約数ペア:

[(1, 897798385), (5, 179559677), (11, 81618035), (29, 30958565), (55, 16323607), (145, 6191713), (319, 2814415), (389, 2307965), (1447, 620455), (1595, 562883), (1945, 461593), (4279, 209815), (7235, 124091), (11281, 79585), (15917, 56405), (21395, 41963)]