28521738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4271}}^1$

素因数の和:4339

約数の個数: 48

約数和(自身を含む): 71974656

約数和(自身を除く): 43452918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3339, 4271, 6678, 8542, 12813, 25626, 29897, 38439, 59794, 76878, 89691, 179382, 226363, 269073, 452726, 538146, 679089, 1358178, 1584541, 2037267, 3169082, 4074534, 4753623, 9507246, 14260869, 28521738]

約数ペア:

[(1, 28521738), (2, 14260869), (3, 9507246), (6, 4753623), (7, 4074534), (9, 3169082), (14, 2037267), (18, 1584541), (21, 1358178), (42, 679089), (53, 538146), (63, 452726), (106, 269073), (126, 226363), (159, 179382), (318, 89691), (371, 76878), (477, 59794), (742, 38439), (954, 29897), (1113, 25626), (2226, 12813), (3339, 8542), (4271, 6678)]