31148516

素因数分解:

$2^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 64646400

約数和(自身を除く): 33497884

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 311, 343, 511, 622, 686, 1022, 1244, 1372, 2044, 2177, 3577, 4354, 7154, 8708, 14308, 15239, 22703, 25039, 30478, 45406, 50078, 60956, 90812, 100156, 106673, 158921, 213346, 317842, 426692, 635684, 1112447, 2224894, 4449788, 7787129, 15574258, 31148516]

約数ペア:

[(1, 31148516), (2, 15574258), (4, 7787129), (7, 4449788), (14, 2224894), (28, 1112447), (49, 635684), (73, 426692), (98, 317842), (146, 213346), (196, 158921), (292, 106673), (311, 100156), (343, 90812), (511, 60956), (622, 50078), (686, 45406), (1022, 30478), (1244, 25039), (1372, 22703), (2044, 15239), (2177, 14308), (3577, 8708), (4354, 7154)]