28856828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7207}}^1$

素因数の和:7242

約数の個数: 48

約数和(自身を含む): 67812864

約数和(自身を除く): 38956036

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 7207, 14414, 28828, 50449, 79277, 93691, 100898, 158554, 187382, 201796, 317108, 374764, 554939, 655837, 1030601, 1109878, 1311674, 2061202, 2219756, 2623348, 4122404, 7214207, 14428414, 28856828]

約数ペア:

[(1, 28856828), (2, 14428414), (4, 7214207), (7, 4122404), (11, 2623348), (13, 2219756), (14, 2061202), (22, 1311674), (26, 1109878), (28, 1030601), (44, 655837), (52, 554939), (77, 374764), (91, 317108), (143, 201796), (154, 187382), (182, 158554), (286, 100898), (308, 93691), (364, 79277), (572, 50449), (1001, 28828), (2002, 14414), (4004, 7207)]