721427096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7699}}^1$

素因数の和:7788

約数の個数: 64

約数和(自身を含む): 1571724000

約数和(自身を除く): 850296904

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 212, 221, 424, 442, 689, 884, 901, 1378, 1768, 1802, 2756, 3604, 5512, 7208, 7699, 11713, 15398, 23426, 30796, 46852, 61592, 93704, 100087, 130883, 200174, 261766, 400348, 408047, 523532, 800696, 816094, 1047064, 1632188, 1701479, 3264376, 3402958, 5304611, 6805916, 6936799, 10609222, 13611832, 13873598, 21218444, 27747196, 42436888, 55494392, 90178387, 180356774, 360713548, 721427096]

約数ペア:

[(1, 721427096), (2, 360713548), (4, 180356774), (8, 90178387), (13, 55494392), (17, 42436888), (26, 27747196), (34, 21218444), (52, 13873598), (53, 13611832), (68, 10609222), (104, 6936799), (106, 6805916), (136, 5304611), (212, 3402958), (221, 3264376), (424, 1701479), (442, 1632188), (689, 1047064), (884, 816094), (901, 800696), (1378, 523532), (1768, 408047), (1802, 400348), (2756, 261766), (3604, 200174), (5512, 130883), (7208, 100087), (7699, 93704), (11713, 61592), (15398, 46852), (23426, 30796)]