28987406

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{90023}}^1$

素因数の和:90055

約数の個数: 16

約数和(自身を含む): 51853824

約数和(自身を除く): 22866418

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 90023, 180046, 630161, 1260322, 2070529, 4141058, 14493703, 28987406]

約数ペア:

[(1, 28987406), (2, 14493703), (7, 4141058), (14, 2070529), (23, 1260322), (46, 630161), (161, 180046), (322, 90023)]