990147376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1509371}}^1$

素因数の和:1509420

約数の個数: 20

約数和(自身を含む): 1965202344

約数和(自身を除く): 975054968

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1509371, 3018742, 6037484, 12074968, 24149936, 61884211, 123768422, 247536844, 495073688, 990147376]

約数ペア:

[(1, 990147376), (2, 495073688), (4, 247536844), (8, 123768422), (16, 61884211), (41, 24149936), (82, 12074968), (164, 6037484), (328, 3018742), (656, 1509371)]