156923641

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 201738240

約数和(自身を除く): 44814599

約数列:

[1, 7, 19, 23, 43, 133, 161, 301, 437, 817, 989, 1193, 3059, 5719, 6923, 8351, 18791, 22667, 27439, 51299, 131537, 158669, 192073, 359093, 521341, 974681, 1179877, 3649387, 6822767, 8259139, 22417663, 156923641]

約数ペア:

[(1, 156923641), (7, 22417663), (19, 8259139), (23, 6822767), (43, 3649387), (133, 1179877), (161, 974681), (301, 521341), (437, 359093), (817, 192073), (989, 158669), (1193, 131537), (3059, 51299), (5719, 27439), (6923, 22667), (8351, 18791)]