258897678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107071}}^1$

素因数の和:107120

約数の個数: 32

約数和(自身を含む): 575619072

約数和(自身を除く): 316721394

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 107071, 214142, 321213, 642426, 1391923, 2783846, 3319201, 4175769, 6638402, 8351538, 9957603, 19915206, 43149613, 86299226, 129448839, 258897678]

約数ペア:

[(1, 258897678), (2, 129448839), (3, 86299226), (6, 43149613), (13, 19915206), (26, 9957603), (31, 8351538), (39, 6638402), (62, 4175769), (78, 3319201), (93, 2783846), (186, 1391923), (403, 642426), (806, 321213), (1209, 214142), (2418, 107071)]