16139305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 8052695

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 449, 455, 553, 1027, 2245, 2765, 3143, 5135, 5837, 7189, 15715, 29185, 35471, 35945, 40859, 177355, 204295, 248297, 461123, 1241485, 2305615, 3227861, 16139305]

約数ペア:

[(1, 16139305), (5, 3227861), (7, 2305615), (13, 1241485), (35, 461123), (65, 248297), (79, 204295), (91, 177355), (395, 40859), (449, 35945), (455, 35471), (553, 29185), (1027, 15715), (2245, 7189), (2765, 5837), (3143, 5135)]