1286996

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 2370816

約数和(自身を除く): 1083820

約数列:

[1, 2, 4, 31, 62, 97, 107, 124, 194, 214, 388, 428, 3007, 3317, 6014, 6634, 10379, 12028, 13268, 20758, 41516, 321749, 643498, 1286996]

約数ペア:

[(1, 1286996), (2, 643498), (4, 321749), (31, 41516), (62, 20758), (97, 13268), (107, 12028), (124, 10379), (194, 6634), (214, 6014), (388, 3317), (428, 3007)]