28656229

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 35589888

約数和(自身を除く): 6933659

約数列:

[1, 7, 23, 47, 49, 161, 329, 541, 1081, 1127, 2303, 3787, 7567, 12443, 25427, 26509, 52969, 87101, 177989, 584821, 609707, 1245923, 4093747, 28656229]

約数ペア:

[(1, 28656229), (7, 4093747), (23, 1245923), (47, 609707), (49, 584821), (161, 177989), (329, 87101), (541, 52969), (1081, 26509), (1127, 25427), (2303, 12443), (3787, 7567)]