128500078

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4783}}^1$

素因数の和:4912

約数の個数: 32

約数和(自身を含む): 234224640

約数和(自身を除く): 105724562

約数列:

[1, 2, 7, 14, 19, 38, 101, 133, 202, 266, 707, 1414, 1919, 3838, 4783, 9566, 13433, 26866, 33481, 66962, 90877, 181754, 483083, 636139, 966166, 1272278, 3381581, 6763162, 9178577, 18357154, 64250039, 128500078]

約数ペア:

[(1, 128500078), (2, 64250039), (7, 18357154), (14, 9178577), (19, 6763162), (38, 3381581), (101, 1272278), (133, 966166), (202, 636139), (266, 483083), (707, 181754), (1414, 90877), (1919, 66962), (3838, 33481), (4783, 26866), (9566, 13433)]