217173385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1051}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 325547712

約数和(自身を除く): 108374327

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 289, 715, 935, 1051, 1105, 1445, 2431, 3179, 3757, 5255, 11561, 12155, 13663, 15895, 17867, 18785, 41327, 57805, 68315, 89335, 150293, 196537, 206635, 232271, 303739, 751465, 982685, 1161355, 1518695, 2554981, 3341129, 3948607, 12774905, 16705645, 19743035, 43434677, 217173385]

約数ペア:

[(1, 217173385), (5, 43434677), (11, 19743035), (13, 16705645), (17, 12774905), (55, 3948607), (65, 3341129), (85, 2554981), (143, 1518695), (187, 1161355), (221, 982685), (289, 751465), (715, 303739), (935, 232271), (1051, 206635), (1105, 196537), (1445, 150293), (2431, 89335), (3179, 68315), (3757, 57805), (5255, 41327), (11561, 18785), (12155, 17867), (13663, 15895)]