901404005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{313}}^1\times {\mathrm{1993}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 1153305672

約数和(自身を除く): 251901667

約数列:

[1, 5, 17, 85, 289, 313, 1445, 1565, 1993, 5321, 9965, 26605, 33881, 90457, 169405, 452285, 575977, 623809, 2879885, 3119045, 10604753, 53023765, 180280801, 901404005]

約数ペア:

[(1, 901404005), (5, 180280801), (17, 53023765), (85, 10604753), (289, 3119045), (313, 2879885), (1445, 623809), (1565, 575977), (1993, 452285), (5321, 169405), (9965, 90457), (26605, 33881)]