16219216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{77977}}^1$

素因数の和:77998

約数の個数: 20

約数和(自身を含む): 33842452

約数和(自身を除く): 17623236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 77977, 155954, 311908, 623816, 1013701, 1247632, 2027402, 4054804, 8109608, 16219216]

約数ペア:

[(1, 16219216), (2, 8109608), (4, 4054804), (8, 2027402), (13, 1247632), (16, 1013701), (26, 623816), (52, 311908), (104, 155954), (208, 77977)]