201581912

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{87797}}^1$

素因数の和:87851

約数の個数: 32

約数和(自身を含む): 442501920

約数和(自身を除く): 240920008

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 87797, 175594, 351188, 614579, 702376, 1229158, 2458316, 3599677, 4916632, 7199354, 14398708, 25197739, 28797416, 50395478, 100790956, 201581912]

約数ペア:

[(1, 201581912), (2, 100790956), (4, 50395478), (7, 28797416), (8, 25197739), (14, 14398708), (28, 7199354), (41, 4916632), (56, 3599677), (82, 2458316), (164, 1229158), (287, 702376), (328, 614579), (574, 351188), (1148, 175594), (2296, 87797)]