7821424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1265

約数の個数: 40

約数和(自身を含む): 16860032

約数和(自身を除く): 9038608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1213, 1612, 2426, 3224, 4852, 6448, 9704, 15769, 19408, 31538, 37603, 63076, 75206, 126152, 150412, 252304, 300824, 488839, 601648, 977678, 1955356, 3910712, 7821424]

約数ペア:

[(1, 7821424), (2, 3910712), (4, 1955356), (8, 977678), (13, 601648), (16, 488839), (26, 300824), (31, 252304), (52, 150412), (62, 126152), (104, 75206), (124, 63076), (208, 37603), (248, 31538), (403, 19408), (496, 15769), (806, 9704), (1213, 6448), (1612, 4852), (2426, 3224)]