28378386

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{23531}}^1$

素因数の和:23606

約数の個数: 24

約数和(自身を含む): 62406864

約数和(自身を除く): 34028478

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 23531, 47062, 70593, 141186, 211779, 423558, 1576577, 3153154, 4729731, 9459462, 14189193, 28378386]

約数ペア:

[(1, 28378386), (2, 14189193), (3, 9459462), (6, 4729731), (9, 3153154), (18, 1576577), (67, 423558), (134, 211779), (201, 141186), (402, 70593), (603, 47062), (1206, 23531)]