28639622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21341}}^1$

素因数の和:21415

約数の個数: 16

約数和(自身を含む): 47635344

約数和(自身を除く): 18995722

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 21341, 42682, 234751, 469502, 1301801, 2603602, 14319811, 28639622]

約数ペア:

[(1, 28639622), (2, 14319811), (11, 2603602), (22, 1301801), (61, 469502), (122, 234751), (671, 42682), (1342, 21341)]