319809986

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 511370496

約数和(自身を除く): 191560510

約数列:

[1, 2, 23, 46, 71, 142, 181, 362, 541, 1082, 1633, 3266, 4163, 8326, 12443, 12851, 24886, 25702, 38411, 76822, 97921, 195842, 295573, 591146, 883453, 1766906, 2252183, 4504366, 6952391, 13904782, 159904993, 319809986]

約数ペア:

[(1, 319809986), (2, 159904993), (23, 13904782), (46, 6952391), (71, 4504366), (142, 2252183), (181, 1766906), (362, 883453), (541, 591146), (1082, 295573), (1633, 195842), (3266, 97921), (4163, 76822), (8326, 38411), (12443, 25702), (12851, 24886)]