7555990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 15653088

約数和(自身を除く): 8097098

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 263, 338, 442, 526, 845, 1105, 1315, 1690, 2210, 2630, 2873, 3419, 4471, 5746, 6838, 8942, 14365, 17095, 22355, 28730, 34190, 44447, 44710, 58123, 88894, 116246, 222235, 290615, 444470, 581230, 755599, 1511198, 3777995, 7555990]

約数ペア:

[(1, 7555990), (2, 3777995), (5, 1511198), (10, 755599), (13, 581230), (17, 444470), (26, 290615), (34, 222235), (65, 116246), (85, 88894), (130, 58123), (169, 44710), (170, 44447), (221, 34190), (263, 28730), (338, 22355), (442, 17095), (526, 14365), (845, 8942), (1105, 6838), (1315, 5746), (1690, 4471), (2210, 3419), (2630, 2873)]