25499048

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 52220700

約数和(自身を除く): 26721652

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 269, 289, 328, 538, 578, 697, 1076, 1156, 1394, 2152, 2312, 2788, 4573, 5576, 9146, 11029, 11849, 18292, 22058, 23698, 36584, 44116, 47396, 77741, 88232, 94792, 155482, 187493, 310964, 374986, 621928, 749972, 1499944, 3187381, 6374762, 12749524, 25499048]

約数ペア:

[(1, 25499048), (2, 12749524), (4, 6374762), (8, 3187381), (17, 1499944), (34, 749972), (41, 621928), (68, 374986), (82, 310964), (136, 187493), (164, 155482), (269, 94792), (289, 88232), (328, 77741), (538, 47396), (578, 44116), (697, 36584), (1076, 23698), (1156, 22058), (1394, 18292), (2152, 11849), (2312, 11029), (2788, 9146), (4573, 5576)]