257582968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{19597}}^1$

素因数の和:19687

約数の個数: 32

約数和(自身を含む): 507980160

約数和(自身を除く): 250397192

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1643, 3286, 6572, 13144, 19597, 39194, 78388, 156776, 607507, 1038641, 1215014, 2077282, 2430028, 4154564, 4860056, 8309128, 32197871, 64395742, 128791484, 257582968]

約数ペア:

[(1, 257582968), (2, 128791484), (4, 64395742), (8, 32197871), (31, 8309128), (53, 4860056), (62, 4154564), (106, 2430028), (124, 2077282), (212, 1215014), (248, 1038641), (424, 607507), (1643, 156776), (3286, 78388), (6572, 39194), (13144, 19597)]