12780821999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2293}}^1\times {\mathrm{22031}}^1$

素因数の和:24358

約数の個数: 16

約数和(自身を含む): 14555925504

約数和(自身を除く): 1775103505

約数列:

[1, 11, 23, 253, 2293, 22031, 25223, 52739, 242341, 506713, 580129, 5573843, 50517083, 555687913, 1161892909, 12780821999]

約数ペア:

[(1, 12780821999), (11, 1161892909), (23, 555687913), (253, 50517083), (2293, 5573843), (22031, 580129), (25223, 506713), (52739, 242341)]