15869425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 24248448

約数和(自身を除く): 8379023

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 193, 253, 275, 299, 325, 575, 715, 965, 1265, 1495, 2123, 2509, 3289, 3575, 4439, 4825, 6325, 7475, 10615, 12545, 16445, 22195, 27599, 48829, 53075, 57707, 62725, 82225, 110975, 137995, 244145, 288535, 634777, 689975, 1220725, 1442675, 3173885, 15869425]

約数ペア:

[(1, 15869425), (5, 3173885), (11, 1442675), (13, 1220725), (23, 689975), (25, 634777), (55, 288535), (65, 244145), (115, 137995), (143, 110975), (193, 82225), (253, 62725), (275, 57707), (299, 53075), (325, 48829), (575, 27599), (715, 22195), (965, 16445), (1265, 12545), (1495, 10615), (2123, 7475), (2509, 6325), (3289, 4825), (3575, 4439)]