16394885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 23097312

約数和(自身を除く): 6702427

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 401, 481, 629, 1105, 2005, 2405, 3145, 5213, 6817, 8177, 14837, 26065, 34085, 40885, 74185, 88621, 192881, 252229, 443105, 964405, 1261145, 3278977, 16394885]

約数ペア:

[(1, 16394885), (5, 3278977), (13, 1261145), (17, 964405), (37, 443105), (65, 252229), (85, 192881), (185, 88621), (221, 74185), (401, 40885), (481, 34085), (629, 26065), (1105, 14837), (2005, 8177), (2405, 6817), (3145, 5213)]