16447925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 23486220

約数和(自身を除く): 7038295

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 229, 325, 425, 845, 1105, 1145, 2873, 2977, 3893, 4225, 5525, 5725, 14365, 14885, 19465, 38701, 50609, 71825, 74425, 97325, 193505, 253045, 657917, 967525, 1265225, 3289585, 16447925]

約数ペア:

[(1, 16447925), (5, 3289585), (13, 1265225), (17, 967525), (25, 657917), (65, 253045), (85, 193505), (169, 97325), (221, 74425), (229, 71825), (325, 50609), (425, 38701), (845, 19465), (1105, 14885), (1145, 14365), (2873, 5725), (2977, 5525), (3893, 4225)]