197976558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:1009

約数の個数: 64

約数和(自身を含む): 443342592

約数和(自身を除く): 245366034

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 67, 78, 86, 129, 134, 201, 258, 402, 559, 871, 881, 1118, 1677, 1742, 1762, 2613, 2643, 2881, 3354, 5226, 5286, 5762, 8643, 11453, 17286, 22906, 34359, 37453, 37883, 59027, 68718, 74906, 75766, 112359, 113649, 118054, 177081, 224718, 227298, 354162, 492479, 767351, 984958, 1477437, 1534702, 2302053, 2538161, 2954874, 4604106, 5076322, 7614483, 15228966, 32996093, 65992186, 98988279, 197976558]

約数ペア:

[(1, 197976558), (2, 98988279), (3, 65992186), (6, 32996093), (13, 15228966), (26, 7614483), (39, 5076322), (43, 4604106), (67, 2954874), (78, 2538161), (86, 2302053), (129, 1534702), (134, 1477437), (201, 984958), (258, 767351), (402, 492479), (559, 354162), (871, 227298), (881, 224718), (1118, 177081), (1677, 118054), (1742, 113649), (1762, 112359), (2613, 75766), (2643, 74906), (2881, 68718), (3354, 59027), (5226, 37883), (5286, 37453), (5762, 34359), (8643, 22906), (11453, 17286)]