215538918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{86981}}^1$

素因数の和:87052

約数の個数: 32

約数和(自身を含む): 501016320

約数和(自身を除く): 285477402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 86981, 173962, 260943, 521886, 608867, 1217734, 1826601, 3653202, 5131879, 10263758, 15395637, 30791274, 35923153, 71846306, 107769459, 215538918]

約数ペア:

[(1, 215538918), (2, 107769459), (3, 71846306), (6, 35923153), (7, 30791274), (14, 15395637), (21, 10263758), (42, 5131879), (59, 3653202), (118, 1826601), (177, 1217734), (354, 608867), (413, 521886), (826, 260943), (1239, 173962), (2478, 86981)]