28400746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21163}}^1$

素因数の和:21237

約数の個数: 16

約数和(自身を含む): 47238048

約数和(自身を除く): 18837302

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 21163, 42326, 232793, 465586, 1290943, 2581886, 14200373, 28400746]

約数ペア:

[(1, 28400746), (2, 14200373), (11, 2581886), (22, 1290943), (61, 465586), (122, 232793), (671, 42326), (1342, 21163)]