156988868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{33863}}^1$

素因数の和:33947

約数の個数: 24

約数和(自身を含む): 293939520

約数和(自身を除く): 136950652

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 33863, 67726, 135452, 643397, 1286794, 2065643, 2573588, 4131286, 8262572, 39247217, 78494434, 156988868]

約数ペア:

[(1, 156988868), (2, 78494434), (4, 39247217), (19, 8262572), (38, 4131286), (61, 2573588), (76, 2065643), (122, 1286794), (244, 643397), (1159, 135452), (2318, 67726), (4636, 33863)]