81141214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 158505984

約数和(自身を除く): 77364770

約数列:

[1, 2, 7, 11, 14, 22, 41, 71, 77, 82, 142, 154, 181, 287, 362, 451, 497, 574, 781, 902, 994, 1267, 1562, 1991, 2534, 2911, 3157, 3982, 5467, 5822, 6314, 7421, 10934, 12851, 13937, 14842, 20377, 25702, 27874, 32021, 40754, 51947, 64042, 81631, 89957, 103894, 141361, 163262, 179914, 224147, 282722, 448294, 526891, 571417, 989527, 1053782, 1142834, 1979054, 3688237, 5795801, 7376474, 11591602, 40570607, 81141214]

約数ペア:

[(1, 81141214), (2, 40570607), (7, 11591602), (11, 7376474), (14, 5795801), (22, 3688237), (41, 1979054), (71, 1142834), (77, 1053782), (82, 989527), (142, 571417), (154, 526891), (181, 448294), (287, 282722), (362, 224147), (451, 179914), (497, 163262), (574, 141361), (781, 103894), (902, 89957), (994, 81631), (1267, 64042), (1562, 51947), (1991, 40754), (2534, 32021), (2911, 27874), (3157, 25702), (3982, 20377), (5467, 14842), (5822, 13937), (6314, 12851), (7421, 10934)]