839393492

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{331}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 1762410048

約数和(自身を除く): 923016556

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 331, 574, 658, 662, 1148, 1316, 1324, 1927, 2209, 2317, 3854, 4418, 4634, 7708, 8836, 9268, 13489, 13571, 15463, 15557, 26978, 27142, 30926, 31114, 53956, 54284, 61852, 62228, 90569, 94997, 108899, 181138, 189994, 217798, 362276, 379988, 435596, 633983, 637837, 731179, 1267966, 1275674, 1462358, 2535932, 2551348, 2924716, 4464859, 5118253, 8929718, 10236506, 17859436, 20473012, 29978339, 59956678, 119913356, 209848373, 419696746, 839393492]

約数ペア:

[(1, 839393492), (2, 419696746), (4, 209848373), (7, 119913356), (14, 59956678), (28, 29978339), (41, 20473012), (47, 17859436), (82, 10236506), (94, 8929718), (164, 5118253), (188, 4464859), (287, 2924716), (329, 2551348), (331, 2535932), (574, 1462358), (658, 1275674), (662, 1267966), (1148, 731179), (1316, 637837), (1324, 633983), (1927, 435596), (2209, 379988), (2317, 362276), (3854, 217798), (4418, 189994), (4634, 181138), (7708, 108899), (8836, 94997), (9268, 90569), (13489, 62228), (13571, 61852), (15463, 54284), (15557, 53956), (26978, 31114), (27142, 30926)]