78990928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120413}}^1$

素因数の和:120462

約数の個数: 20

約数和(自身を含む): 156779028

約数和(自身を除く): 77788100

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120413, 240826, 481652, 963304, 1926608, 4936933, 9873866, 19747732, 39495464, 78990928]

約数ペア:

[(1, 78990928), (2, 39495464), (4, 19747732), (8, 9873866), (16, 4936933), (41, 1926608), (82, 963304), (164, 481652), (328, 240826), (656, 120413)]