259817545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10223}}^1$

素因数の和:10281

約数の個数: 32

約数和(自身を含む): 371008512

約数和(自身を除く): 111190967

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 10223, 25415, 51115, 132899, 173791, 235129, 664495, 868955, 1175645, 2259283, 3056677, 3997193, 11296415, 15283385, 19985965, 51963509, 259817545]

約数ペア:

[(1, 259817545), (5, 51963509), (13, 19985965), (17, 15283385), (23, 11296415), (65, 3997193), (85, 3056677), (115, 2259283), (221, 1175645), (299, 868955), (391, 664495), (1105, 235129), (1495, 173791), (1955, 132899), (5083, 51115), (10223, 25415)]