12820806

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 28810080

約数和(自身を除く): 15989274

約数列:

[1, 2, 3, 6, 9, 18, 53, 89, 106, 151, 159, 178, 267, 302, 318, 453, 477, 534, 801, 906, 954, 1359, 1602, 2718, 4717, 8003, 9434, 13439, 14151, 16006, 24009, 26878, 28302, 40317, 42453, 48018, 72027, 80634, 84906, 120951, 144054, 241902, 712267, 1424534, 2136801, 4273602, 6410403, 12820806]

約数ペア:

[(1, 12820806), (2, 6410403), (3, 4273602), (6, 2136801), (9, 1424534), (18, 712267), (53, 241902), (89, 144054), (106, 120951), (151, 84906), (159, 80634), (178, 72027), (267, 48018), (302, 42453), (318, 40317), (453, 28302), (477, 26878), (534, 24009), (801, 16006), (906, 14151), (954, 13439), (1359, 9434), (1602, 8003), (2718, 4717)]