28496910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 74571840

約数和(自身を除く): 46074930

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 821, 890, 1157, 1335, 1642, 2314, 2463, 2670, 3471, 4105, 4926, 5785, 6942, 8210, 10673, 11570, 12315, 17355, 21346, 24630, 32019, 34710, 53365, 64038, 73069, 106730, 146138, 160095, 219207, 320190, 365345, 438414, 730690, 949897, 1096035, 1899794, 2192070, 2849691, 4749485, 5699382, 9498970, 14248455, 28496910]

約数ペア:

[(1, 28496910), (2, 14248455), (3, 9498970), (5, 5699382), (6, 4749485), (10, 2849691), (13, 2192070), (15, 1899794), (26, 1096035), (30, 949897), (39, 730690), (65, 438414), (78, 365345), (89, 320190), (130, 219207), (178, 160095), (195, 146138), (267, 106730), (390, 73069), (445, 64038), (534, 53365), (821, 34710), (890, 32019), (1157, 24630), (1335, 21346), (1642, 17355), (2314, 12315), (2463, 11570), (2670, 10673), (3471, 8210), (4105, 6942), (4926, 5785)]