319328828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21397}}^1$

素因数の和:21462

約数の個数: 48

約数和(自身を含む): 704593344

約数和(自身を除く): 385264516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 21397, 42794, 85588, 149779, 278161, 299558, 556322, 599116, 877277, 1112644, 1754554, 1947127, 3509108, 3894254, 6140939, 7788508, 11404601, 12281878, 22809202, 24563756, 45618404, 79832207, 159664414, 319328828]

約数ペア:

[(1, 319328828), (2, 159664414), (4, 79832207), (7, 45618404), (13, 24563756), (14, 22809202), (26, 12281878), (28, 11404601), (41, 7788508), (52, 6140939), (82, 3894254), (91, 3509108), (164, 1947127), (182, 1754554), (287, 1112644), (364, 877277), (533, 599116), (574, 556322), (1066, 299558), (1148, 278161), (2132, 149779), (3731, 85588), (7462, 42794), (14924, 21397)]