65891609

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 83128320

約数和(自身を除く): 17236711

約数列:

[1, 7, 17, 43, 79, 119, 163, 301, 553, 731, 1141, 1343, 2771, 3397, 5117, 7009, 9401, 12877, 19397, 23779, 49063, 57749, 90139, 119153, 218909, 404243, 553711, 834071, 1532363, 3875977, 9413087, 65891609]

約数ペア:

[(1, 65891609), (7, 9413087), (17, 3875977), (43, 1532363), (79, 834071), (119, 553711), (163, 404243), (301, 218909), (553, 119153), (731, 90139), (1141, 57749), (1343, 49063), (2771, 23779), (3397, 19397), (5117, 12877), (7009, 9401)]