25870838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 47651328

約数和(自身を除く): 21780490

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 1531, 2414, 3062, 8449, 10717, 16898, 21434, 26027, 52054, 108701, 182189, 217402, 364378, 760907, 1521814, 1847917, 3695834, 12935419, 25870838]

約数ペア:

[(1, 25870838), (2, 12935419), (7, 3695834), (14, 1847917), (17, 1521814), (34, 760907), (71, 364378), (119, 217402), (142, 182189), (238, 108701), (497, 52054), (994, 26027), (1207, 21434), (1531, 16898), (2414, 10717), (3062, 8449)]