255866478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{210071}}^1$

素因数の和:210112

約数の個数: 32

約数和(自身を含む): 605007360

約数和(自身を除く): 349140882

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 210071, 420142, 630213, 1260426, 1470497, 2940994, 4411491, 6092059, 8822982, 12184118, 18276177, 36552354, 42644413, 85288826, 127933239, 255866478]

約数ペア:

[(1, 255866478), (2, 127933239), (3, 85288826), (6, 42644413), (7, 36552354), (14, 18276177), (21, 12184118), (29, 8822982), (42, 6092059), (58, 4411491), (87, 2940994), (174, 1470497), (203, 1260426), (406, 630213), (609, 420142), (1218, 210071)]