78984856

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 159148800

約数和(自身を除く): 80163944

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 269, 289, 508, 538, 578, 1016, 1076, 1156, 2152, 2159, 2312, 4318, 4573, 8636, 9146, 17272, 18292, 34163, 36584, 36703, 68326, 73406, 77741, 136652, 146812, 155482, 273304, 293624, 310964, 580771, 621928, 1161542, 2323084, 4646168, 9873107, 19746214, 39492428, 78984856]

約数ペア:

[(1, 78984856), (2, 39492428), (4, 19746214), (8, 9873107), (17, 4646168), (34, 2323084), (68, 1161542), (127, 621928), (136, 580771), (254, 310964), (269, 293624), (289, 273304), (508, 155482), (538, 146812), (578, 136652), (1016, 77741), (1076, 73406), (1156, 68326), (2152, 36703), (2159, 36584), (2312, 34163), (4318, 18292), (4573, 17272), (8636, 9146)]