1878128

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 4270560

約数和(自身を除く): 2392432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 409, 574, 656, 818, 1148, 1636, 2296, 2863, 3272, 4592, 5726, 6544, 11452, 16769, 22904, 33538, 45808, 67076, 117383, 134152, 234766, 268304, 469532, 939064, 1878128]

約数ペア:

[(1, 1878128), (2, 939064), (4, 469532), (7, 268304), (8, 234766), (14, 134152), (16, 117383), (28, 67076), (41, 45808), (56, 33538), (82, 22904), (112, 16769), (164, 11452), (287, 6544), (328, 5726), (409, 4592), (574, 3272), (656, 2863), (818, 2296), (1148, 1636)]