64680824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1987}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 131088720

約数和(自身を除く): 66407896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 313, 626, 1252, 1987, 2504, 3974, 4069, 7948, 8138, 15896, 16276, 25831, 32552, 51662, 103324, 206648, 621931, 1243862, 2487724, 4975448, 8085103, 16170206, 32340412, 64680824]

約数ペア:

[(1, 64680824), (2, 32340412), (4, 16170206), (8, 8085103), (13, 4975448), (26, 2487724), (52, 1243862), (104, 621931), (313, 206648), (626, 103324), (1252, 51662), (1987, 32552), (2504, 25831), (3974, 16276), (4069, 15896), (7948, 8138)]