78887888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 170948880

約数和(自身を除く): 92060992

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 73, 116, 136, 137, 146, 232, 272, 274, 292, 464, 493, 548, 584, 986, 1096, 1168, 1241, 1972, 2117, 2192, 2329, 2482, 3944, 3973, 4234, 4658, 4964, 7888, 7946, 8468, 9316, 9928, 10001, 15892, 16936, 18632, 19856, 20002, 31784, 33872, 35989, 37264, 40004, 63568, 67541, 71978, 80008, 135082, 143956, 160016, 170017, 270164, 287912, 290029, 340034, 540328, 575824, 580058, 680068, 1080656, 1160116, 1360136, 2320232, 2720272, 4640464, 4930493, 9860986, 19721972, 39443944, 78887888]

約数ペア:

[(1, 78887888), (2, 39443944), (4, 19721972), (8, 9860986), (16, 4930493), (17, 4640464), (29, 2720272), (34, 2320232), (58, 1360136), (68, 1160116), (73, 1080656), (116, 680068), (136, 580058), (137, 575824), (146, 540328), (232, 340034), (272, 290029), (274, 287912), (292, 270164), (464, 170017), (493, 160016), (548, 143956), (584, 135082), (986, 80008), (1096, 71978), (1168, 67541), (1241, 63568), (1972, 40004), (2117, 37264), (2192, 35989), (2329, 33872), (2482, 31784), (3944, 20002), (3973, 19856), (4234, 18632), (4658, 16936), (4964, 15892), (7888, 10001), (7946, 9928), (8468, 9316)]