25219688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12763}}^1$

素因数の和:12801

約数の個数: 32

約数和(自身を含む): 53608800

約数和(自身を除く): 28389112

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12763, 25526, 51052, 102104, 165919, 242497, 331838, 484994, 663676, 969988, 1327352, 1939976, 3152461, 6304922, 12609844, 25219688]

約数ペア:

[(1, 25219688), (2, 12609844), (4, 6304922), (8, 3152461), (13, 1939976), (19, 1327352), (26, 969988), (38, 663676), (52, 484994), (76, 331838), (104, 242497), (152, 165919), (247, 102104), (494, 51052), (988, 25526), (1976, 12763)]