39813788

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 82790400

約数和(自身を除く): 42976612

約数列:

[1, 2, 4, 7, 14, 28, 41, 79, 82, 158, 164, 287, 316, 439, 553, 574, 878, 1106, 1148, 1756, 2212, 3073, 3239, 6146, 6478, 12292, 12956, 17999, 22673, 34681, 35998, 45346, 69362, 71996, 90692, 125993, 138724, 242767, 251986, 485534, 503972, 971068, 1421921, 2843842, 5687684, 9953447, 19906894, 39813788]

約数ペア:

[(1, 39813788), (2, 19906894), (4, 9953447), (7, 5687684), (14, 2843842), (28, 1421921), (41, 971068), (79, 503972), (82, 485534), (158, 251986), (164, 242767), (287, 138724), (316, 125993), (439, 90692), (553, 71996), (574, 69362), (878, 45346), (1106, 35998), (1148, 34681), (1756, 22673), (2212, 17999), (3073, 12956), (3239, 12292), (6146, 6478)]