258575128

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{87121}}^1$

素因数の和:87187

約数の個数: 32

約数和(自身を含む): 564550560

約数和(自身を除く): 305975432

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 87121, 174242, 348484, 609847, 696968, 1219694, 2439388, 4617413, 4878776, 9234826, 18469652, 32321891, 36939304, 64643782, 129287564, 258575128]

約数ペア:

[(1, 258575128), (2, 129287564), (4, 64643782), (7, 36939304), (8, 32321891), (14, 18469652), (28, 9234826), (53, 4878776), (56, 4617413), (106, 2439388), (212, 1219694), (371, 696968), (424, 609847), (742, 348484), (1484, 174242), (2968, 87121)]