13190375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 18398016

約数和(自身を除く): 5207641

約数列:

[1, 5, 11, 25, 53, 55, 125, 181, 265, 275, 583, 905, 1325, 1375, 1991, 2915, 4525, 6625, 9593, 9955, 14575, 22625, 47965, 49775, 72875, 105523, 239825, 248875, 527615, 1199125, 2638075, 13190375]

約数ペア:

[(1, 13190375), (5, 2638075), (11, 1199125), (25, 527615), (53, 248875), (55, 239825), (125, 105523), (181, 72875), (265, 49775), (275, 47965), (583, 22625), (905, 14575), (1325, 9955), (1375, 9593), (1991, 6625), (2915, 4525)]