129739225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{557}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 202594176

約数和(自身を除く): 72854951

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 557, 605, 847, 1331, 1925, 2785, 3025, 3899, 4235, 6127, 6655, 9317, 13925, 19495, 21175, 30635, 33275, 42889, 46585, 67397, 97475, 153175, 214445, 232925, 336985, 471779, 741367, 1072225, 1684925, 2358895, 3706835, 5189569, 11794475, 18534175, 25947845, 129739225]

約数ペア:

[(1, 129739225), (5, 25947845), (7, 18534175), (11, 11794475), (25, 5189569), (35, 3706835), (55, 2358895), (77, 1684925), (121, 1072225), (175, 741367), (275, 471779), (385, 336985), (557, 232925), (605, 214445), (847, 153175), (1331, 97475), (1925, 67397), (2785, 46585), (3025, 42889), (3899, 33275), (4235, 30635), (6127, 21175), (6655, 19495), (9317, 13925)]