28792490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 53982720

約数和(自身を除く): 25190230

約数列:

[1, 2, 5, 10, 31, 62, 131, 155, 262, 310, 655, 709, 1310, 1418, 3545, 4061, 7090, 8122, 20305, 21979, 40610, 43958, 92879, 109895, 185758, 219790, 464395, 928790, 2879249, 5758498, 14396245, 28792490]

約数ペア:

[(1, 28792490), (2, 14396245), (5, 5758498), (10, 2879249), (31, 928790), (62, 464395), (131, 219790), (155, 185758), (262, 109895), (310, 92879), (655, 43958), (709, 40610), (1310, 21979), (1418, 20305), (3545, 8122), (4061, 7090)]