9971728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 20998656

約数和(自身を除く): 11026928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 251, 382, 502, 764, 1004, 1528, 2008, 2483, 3056, 3263, 4016, 4966, 6526, 9932, 13052, 19864, 26104, 39728, 47941, 52208, 95882, 191764, 383528, 623233, 767056, 1246466, 2492932, 4985864, 9971728]

約数ペア:

[(1, 9971728), (2, 4985864), (4, 2492932), (8, 1246466), (13, 767056), (16, 623233), (26, 383528), (52, 191764), (104, 95882), (191, 52208), (208, 47941), (251, 39728), (382, 26104), (502, 19864), (764, 13052), (1004, 9932), (1528, 6526), (2008, 4966), (2483, 4016), (3056, 3263)]