90917071

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 117504000

約数和(自身を除く): 26586929

約数列:

[1, 7, 17, 19, 79, 119, 133, 323, 509, 553, 1343, 1501, 2261, 3563, 8653, 9401, 9671, 10507, 25517, 40211, 60571, 67697, 164407, 178619, 281477, 683587, 764009, 1150849, 4785109, 5348063, 12988153, 90917071]

約数ペア:

[(1, 90917071), (7, 12988153), (17, 5348063), (19, 4785109), (79, 1150849), (119, 764009), (133, 683587), (323, 281477), (509, 178619), (553, 164407), (1343, 67697), (1501, 60571), (2261, 40211), (3563, 25517), (8653, 10507), (9401, 9671)]