28701554

素因数分解:

$2^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 40

約数和(自身を含む): 51762480

約数和(自身を除く): 23060926

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 139, 278, 301, 343, 602, 686, 973, 1946, 2107, 2401, 4214, 4802, 5977, 6811, 11954, 13622, 14749, 29498, 41839, 47677, 83678, 95354, 103243, 206486, 292873, 333739, 585746, 667478, 2050111, 4100222, 14350777, 28701554]

約数ペア:

[(1, 28701554), (2, 14350777), (7, 4100222), (14, 2050111), (43, 667478), (49, 585746), (86, 333739), (98, 292873), (139, 206486), (278, 103243), (301, 95354), (343, 83678), (602, 47677), (686, 41839), (973, 29498), (1946, 14749), (2107, 13622), (2401, 11954), (4214, 6811), (4802, 5977)]