15721865990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54213331}}^1$

素因数の和:54213367

約数の個数: 16

約数和(自身を含む): 29275199280

約数和(自身を除く): 13553333290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 54213331, 108426662, 271066655, 542133310, 1572186599, 3144373198, 7860932995, 15721865990]

約数ペア:

[(1, 15721865990), (2, 7860932995), (5, 3144373198), (10, 1572186599), (29, 542133310), (58, 271066655), (145, 108426662), (290, 54213331)]