28780491259

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 31655332800

約数和(自身を除く): 2874841541

約数列:

[1, 13, 101, 181, 347, 349, 1313, 2353, 4511, 4537, 18281, 35047, 35249, 62807, 63169, 121103, 237653, 455611, 458237, 816491, 821197, 1574339, 6343507, 6380069, 12231403, 21919643, 82465591, 82940897, 159008239, 284955359, 2213883943, 28780491259]

約数ペア:

[(1, 28780491259), (13, 2213883943), (101, 284955359), (181, 159008239), (347, 82940897), (349, 82465591), (1313, 21919643), (2353, 12231403), (4511, 6380069), (4537, 6343507), (18281, 1574339), (35047, 821197), (35249, 816491), (62807, 458237), (63169, 455611), (121103, 237653)]