16953428

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 30451680

約数和(自身を除く): 13498252

約数列:

[1, 2, 4, 53, 106, 211, 212, 379, 422, 758, 844, 1516, 11183, 20087, 22366, 40174, 44732, 79969, 80348, 159938, 319876, 4238357, 8476714, 16953428]

約数ペア:

[(1, 16953428), (2, 8476714), (4, 4238357), (53, 319876), (106, 159938), (211, 80348), (212, 79969), (379, 44732), (422, 40174), (758, 22366), (844, 20087), (1516, 11183)]