25689976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13001}}^1$

素因数の和:13039

約数の個数: 32

約数和(自身を含む): 54608400

約数和(自身を除く): 28918424

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 13001, 26002, 52004, 104008, 169013, 247019, 338026, 494038, 676052, 988076, 1352104, 1976152, 3211247, 6422494, 12844988, 25689976]

約数ペア:

[(1, 25689976), (2, 12844988), (4, 6422494), (8, 3211247), (13, 1976152), (19, 1352104), (26, 988076), (38, 676052), (52, 494038), (76, 338026), (104, 247019), (152, 169013), (247, 104008), (494, 52004), (988, 26002), (1976, 13001)]