72789874

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 24

約数和(自身を含む): 116078508

約数和(自身を除く): 43288634

約数列:

[1, 2, 19, 38, 181, 361, 362, 557, 722, 1114, 3439, 6878, 10583, 21166, 65341, 100817, 130682, 201077, 201634, 402154, 1915523, 3831046, 36394937, 72789874]

約数ペア:

[(1, 72789874), (2, 36394937), (19, 3831046), (38, 1915523), (181, 402154), (361, 201634), (362, 201077), (557, 130682), (722, 100817), (1114, 65341), (3439, 21166), (6878, 10583)]