28490638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^3$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 47052720

約数和(自身を除く): 18562082

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 11881, 23762, 130691, 261382, 1295029, 2590058, 14245319, 28490638]

約数ペア:

[(1, 28490638), (2, 14245319), (11, 2590058), (22, 1295029), (109, 261382), (218, 130691), (1199, 23762), (2398, 11881)]