81657782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 134584320

約数和(自身を除く): 52926538

約数列:

[1, 2, 19, 31, 38, 62, 103, 206, 589, 673, 1178, 1346, 1957, 3193, 3914, 6386, 12787, 20863, 25574, 41726, 60667, 69319, 121334, 138638, 396397, 792794, 1317061, 2148889, 2634122, 4297778, 40828891, 81657782]

約数ペア:

[(1, 81657782), (2, 40828891), (19, 4297778), (31, 2634122), (38, 2148889), (62, 1317061), (103, 792794), (206, 396397), (589, 138638), (673, 121334), (1178, 69319), (1346, 60667), (1957, 41726), (3193, 25574), (3914, 20863), (6386, 12787)]