257710764

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{221401}}^1$

素因数の和:221505

約数の個数: 24

約数和(自身を含む): 607527088

約数和(自身を除く): 349816324

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 221401, 442802, 664203, 885604, 1328406, 2656812, 21475897, 42951794, 64427691, 85903588, 128855382, 257710764]

約数ペア:

[(1, 257710764), (2, 128855382), (3, 85903588), (4, 64427691), (6, 42951794), (12, 21475897), (97, 2656812), (194, 1328406), (291, 885604), (388, 664203), (582, 442802), (1164, 221401)]