2557390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 5111424

約数和(自身を除く): 2554034

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 347, 670, 694, 737, 1474, 1735, 3470, 3685, 3817, 7370, 7634, 19085, 23249, 38170, 46498, 116245, 232490, 255739, 511478, 1278695, 2557390]

約数ペア:

[(1, 2557390), (2, 1278695), (5, 511478), (10, 255739), (11, 232490), (22, 116245), (55, 46498), (67, 38170), (110, 23249), (134, 19085), (335, 7634), (347, 7370), (670, 3817), (694, 3685), (737, 3470), (1474, 1735)]