2609425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 4221952

約数和(自身を除く): 1612527

約数列:

[1, 5, 7, 13, 25, 31, 35, 37, 65, 91, 155, 175, 185, 217, 259, 325, 403, 455, 481, 775, 925, 1085, 1147, 1295, 2015, 2275, 2405, 2821, 3367, 5425, 5735, 6475, 8029, 10075, 12025, 14105, 14911, 16835, 28675, 40145, 70525, 74555, 84175, 104377, 200725, 372775, 521885, 2609425]

約数ペア:

[(1, 2609425), (5, 521885), (7, 372775), (13, 200725), (25, 104377), (31, 84175), (35, 74555), (37, 70525), (65, 40145), (91, 28675), (155, 16835), (175, 14911), (185, 14105), (217, 12025), (259, 10075), (325, 8029), (403, 6475), (455, 5735), (481, 5425), (775, 3367), (925, 2821), (1085, 2405), (1147, 2275), (1295, 2015)]