2161138975768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{1657}}^1\times {\mathrm{20021}}^1$

素因数の和:22180

約数の個数: 64

約数和(自身を含む): 4302263289600

約数和(自身を除く): 2141124313832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 479, 958, 1657, 1916, 3314, 3832, 6628, 8143, 13256, 16286, 20021, 28169, 32572, 40042, 56338, 65144, 80084, 112676, 160168, 225352, 340357, 680714, 793703, 1361428, 1587406, 2722856, 3174812, 6349624, 9590059, 13492951, 19180118, 26985902, 33174797, 38360236, 53971804, 66349594, 76720472, 107943608, 132699188, 163031003, 265398376, 326062006, 563971549, 652124012, 1127943098, 1304248024, 2255886196, 4511772392, 15890727763, 31781455526, 63562911052, 127125822104, 270142371971, 540284743942, 1080569487884, 2161138975768]

約数ペア:

[(1, 2161138975768), (2, 1080569487884), (4, 540284743942), (8, 270142371971), (17, 127125822104), (34, 63562911052), (68, 31781455526), (136, 15890727763), (479, 4511772392), (958, 2255886196), (1657, 1304248024), (1916, 1127943098), (3314, 652124012), (3832, 563971549), (6628, 326062006), (8143, 265398376), (13256, 163031003), (16286, 132699188), (20021, 107943608), (28169, 76720472), (32572, 66349594), (40042, 53971804), (56338, 38360236), (65144, 33174797), (80084, 26985902), (112676, 19180118), (160168, 13492951), (225352, 9590059), (340357, 6349624), (680714, 3174812), (793703, 2722856), (1361428, 1587406)]