258505775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 361167360

約数和(自身を除く): 102661585

約数列:

[1, 5, 11, 25, 55, 73, 79, 163, 275, 365, 395, 803, 815, 869, 1793, 1825, 1975, 4015, 4075, 4345, 5767, 8965, 11899, 12877, 20075, 21725, 28835, 44825, 59495, 63437, 64385, 130889, 141647, 144175, 297475, 317185, 321925, 654445, 708235, 940021, 1585925, 3272225, 3541175, 4700105, 10340231, 23500525, 51701155, 258505775]

約数ペア:

[(1, 258505775), (5, 51701155), (11, 23500525), (25, 10340231), (55, 4700105), (73, 3541175), (79, 3272225), (163, 1585925), (275, 940021), (365, 708235), (395, 654445), (803, 321925), (815, 317185), (869, 297475), (1793, 144175), (1825, 141647), (1975, 130889), (4015, 64385), (4075, 63437), (4345, 59495), (5767, 44825), (8965, 28835), (11899, 21725), (12877, 20075)]