31978938

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 41893062

約数列:

[1, 2, 3, 6, 17, 19, 29, 34, 38, 51, 57, 58, 87, 102, 114, 174, 323, 493, 551, 569, 646, 969, 986, 1102, 1138, 1479, 1653, 1707, 1938, 2958, 3306, 3414, 9367, 9673, 10811, 16501, 18734, 19346, 21622, 28101, 29019, 32433, 33002, 49503, 56202, 58038, 64866, 99006, 183787, 280517, 313519, 367574, 551361, 561034, 627038, 841551, 940557, 1102722, 1683102, 1881114, 5329823, 10659646, 15989469, 31978938]

約数ペア:

[(1, 31978938), (2, 15989469), (3, 10659646), (6, 5329823), (17, 1881114), (19, 1683102), (29, 1102722), (34, 940557), (38, 841551), (51, 627038), (57, 561034), (58, 551361), (87, 367574), (102, 313519), (114, 280517), (174, 183787), (323, 99006), (493, 64866), (551, 58038), (569, 56202), (646, 49503), (969, 33002), (986, 32433), (1102, 29019), (1138, 28101), (1479, 21622), (1653, 19346), (1707, 18734), (1938, 16501), (2958, 10811), (3306, 9673), (3414, 9367)]