78490904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1091}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 163046520

約数和(自身を除く): 84555616

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 529, 782, 1058, 1091, 1564, 2116, 2182, 3128, 4232, 4364, 8728, 8993, 17986, 18547, 25093, 35972, 37094, 50186, 71944, 74188, 100372, 148376, 200744, 426581, 577139, 853162, 1154278, 1706324, 2308556, 3412648, 4617112, 9811363, 19622726, 39245452, 78490904]

約数ペア:

[(1, 78490904), (2, 39245452), (4, 19622726), (8, 9811363), (17, 4617112), (23, 3412648), (34, 2308556), (46, 1706324), (68, 1154278), (92, 853162), (136, 577139), (184, 426581), (391, 200744), (529, 148376), (782, 100372), (1058, 74188), (1091, 71944), (1564, 50186), (2116, 37094), (2182, 35972), (3128, 25093), (4232, 18547), (4364, 17986), (8728, 8993)]