28906790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13831}}^1$

素因数の和:13868

約数の個数: 32

約数和(自身を含む): 59754240

約数和(自身を除く): 30847450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13831, 27662, 69155, 138310, 152141, 262789, 304282, 525578, 760705, 1313945, 1521410, 2627890, 2890679, 5781358, 14453395, 28906790]

約数ペア:

[(1, 28906790), (2, 14453395), (5, 5781358), (10, 2890679), (11, 2627890), (19, 1521410), (22, 1313945), (38, 760705), (55, 525578), (95, 304282), (110, 262789), (190, 152141), (209, 138310), (418, 69155), (1045, 27662), (2090, 13831)]