257240478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{95063}}^1$

素因数の和:95120

約数の個数: 32

約数和(自身を含む): 574947072

約数和(自身を除く): 317706594

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 95063, 190126, 285189, 570378, 1045693, 2091386, 3137079, 3897583, 6274158, 7795166, 11692749, 23385498, 42873413, 85746826, 128620239, 257240478]

約数ペア:

[(1, 257240478), (2, 128620239), (3, 85746826), (6, 42873413), (11, 23385498), (22, 11692749), (33, 7795166), (41, 6274158), (66, 3897583), (82, 3137079), (123, 2091386), (246, 1045693), (451, 570378), (902, 285189), (1353, 190126), (2706, 95063)]