2667990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6841}}^1$

素因数の和:6864

約数の個数: 32

約数和(自身を含む): 6896736

約数和(自身を除く): 4228746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6841, 13682, 20523, 34205, 41046, 68410, 88933, 102615, 177866, 205230, 266799, 444665, 533598, 889330, 1333995, 2667990]

約数ペア:

[(1, 2667990), (2, 1333995), (3, 889330), (5, 533598), (6, 444665), (10, 266799), (13, 205230), (15, 177866), (26, 102615), (30, 88933), (39, 68410), (65, 41046), (78, 34205), (130, 20523), (195, 13682), (390, 6841)]