71677928

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20983}}^1$

素因数の和:21057

約数の個数: 32

約数和(自身を含む): 156120960

約数和(自身を除く): 84443032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 20983, 41966, 83932, 146881, 167864, 293762, 587524, 1175048, 1279963, 2559926, 5119852, 8959741, 10239704, 17919482, 35838964, 71677928]

約数ペア:

[(1, 71677928), (2, 35838964), (4, 17919482), (7, 10239704), (8, 8959741), (14, 5119852), (28, 2559926), (56, 1279963), (61, 1175048), (122, 587524), (244, 293762), (427, 167864), (488, 146881), (854, 83932), (1708, 41966), (3416, 20983)]