78343888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1844

約数の個数: 80

約数和(自身を含む): 191773440

約数和(自身を除く): 113429552

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 476, 644, 782, 952, 1288, 1564, 1789, 1904, 2576, 2737, 3128, 3578, 5474, 6256, 7156, 10948, 12523, 14312, 21896, 25046, 28624, 30413, 41147, 43792, 50092, 60826, 82294, 100184, 121652, 164588, 200368, 212891, 243304, 288029, 329176, 425782, 486608, 576058, 658352, 699499, 851564, 1152116, 1398998, 1703128, 2304232, 2797996, 3406256, 4608464, 4896493, 5595992, 9792986, 11191984, 19585972, 39171944, 78343888]

約数ペア:

[(1, 78343888), (2, 39171944), (4, 19585972), (7, 11191984), (8, 9792986), (14, 5595992), (16, 4896493), (17, 4608464), (23, 3406256), (28, 2797996), (34, 2304232), (46, 1703128), (56, 1398998), (68, 1152116), (92, 851564), (112, 699499), (119, 658352), (136, 576058), (161, 486608), (184, 425782), (238, 329176), (272, 288029), (322, 243304), (368, 212891), (391, 200368), (476, 164588), (644, 121652), (782, 100184), (952, 82294), (1288, 60826), (1564, 50092), (1789, 43792), (1904, 41147), (2576, 30413), (2737, 28624), (3128, 25046), (3578, 21896), (5474, 14312), (6256, 12523), (7156, 10948)]