1221719807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{7349}}^1$

素因数の和:7511

約数の個数: 32

約数和(自身を含む): 1625702400

約数和(自身を除く): 403982593

約数列:

[1, 7, 11, 17, 77, 119, 127, 187, 889, 1309, 1397, 2159, 7349, 9779, 15113, 23749, 51443, 80839, 124933, 166243, 565873, 874531, 933323, 1374263, 6533261, 9619841, 10266553, 15866491, 71865871, 111065437, 174531401, 1221719807]

約数ペア:

[(1, 1221719807), (7, 174531401), (11, 111065437), (17, 71865871), (77, 15866491), (119, 10266553), (127, 9619841), (187, 6533261), (889, 1374263), (1309, 933323), (1397, 874531), (2159, 565873), (7349, 166243), (9779, 124933), (15113, 80839), (23749, 51443)]