31642219

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 8948501

約数列:

[1, 7, 17, 29, 53, 119, 173, 203, 371, 493, 901, 1211, 1537, 2941, 3451, 5017, 6307, 9169, 10759, 20587, 26129, 35119, 64183, 85289, 155873, 182903, 265901, 597023, 1091111, 1861307, 4520317, 31642219]

約数ペア:

[(1, 31642219), (7, 4520317), (17, 1861307), (29, 1091111), (53, 597023), (119, 265901), (173, 182903), (203, 155873), (371, 85289), (493, 64183), (901, 35119), (1211, 26129), (1537, 20587), (2941, 10759), (3451, 9169), (5017, 6307)]