199550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:332

約数の個数: 24

約数和(自身を含む): 401016

約数和(自身を除く): 201466

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 307, 325, 614, 650, 1535, 3070, 3991, 7675, 7982, 15350, 19955, 39910, 99775, 199550]

約数ペア:

[(1, 199550), (2, 99775), (5, 39910), (10, 19955), (13, 15350), (25, 7982), (26, 7675), (50, 3991), (65, 3070), (130, 1535), (307, 650), (325, 614)]