25048504

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 51649920

約数和(自身を除く): 26601416

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 169, 191, 194, 338, 382, 388, 676, 764, 776, 1261, 1352, 1528, 2483, 2522, 4966, 5044, 9932, 10088, 16393, 18527, 19864, 32279, 32786, 37054, 64558, 65572, 74108, 129116, 131144, 148216, 240851, 258232, 481702, 963404, 1926808, 3131063, 6262126, 12524252, 25048504]

約数ペア:

[(1, 25048504), (2, 12524252), (4, 6262126), (8, 3131063), (13, 1926808), (26, 963404), (52, 481702), (97, 258232), (104, 240851), (169, 148216), (191, 131144), (194, 129116), (338, 74108), (382, 65572), (388, 64558), (676, 37054), (764, 32786), (776, 32279), (1261, 19864), (1352, 18527), (1528, 16393), (2483, 10088), (2522, 9932), (4966, 5044)]