189586475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 262837344

約数和(自身を除く): 73250869

約数列:

[1, 5, 13, 25, 61, 65, 73, 131, 305, 325, 365, 655, 793, 949, 1525, 1703, 1825, 3275, 3965, 4453, 4745, 7991, 8515, 9563, 19825, 22265, 23725, 39955, 42575, 47815, 57889, 103883, 111325, 124319, 199775, 239075, 289445, 519415, 583343, 621595, 1447225, 2597075, 2916715, 3107975, 7583459, 14583575, 37917295, 189586475]

約数ペア:

[(1, 189586475), (5, 37917295), (13, 14583575), (25, 7583459), (61, 3107975), (65, 2916715), (73, 2597075), (131, 1447225), (305, 621595), (325, 583343), (365, 519415), (655, 289445), (793, 239075), (949, 199775), (1525, 124319), (1703, 111325), (1825, 103883), (3275, 57889), (3965, 47815), (4453, 42575), (4745, 39955), (7991, 23725), (8515, 22265), (9563, 19825)]