201619847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 252673344

約数和(自身を除く): 51053497

約数列:

[1, 11, 13, 17, 143, 187, 197, 221, 421, 2167, 2431, 2561, 3349, 4631, 5473, 7157, 28171, 36839, 43537, 60203, 78727, 82937, 93041, 478907, 912307, 1023451, 1078181, 1409929, 11859991, 15509219, 18329077, 201619847]

約数ペア:

[(1, 201619847), (11, 18329077), (13, 15509219), (17, 11859991), (143, 1409929), (187, 1078181), (197, 1023451), (221, 912307), (421, 478907), (2167, 93041), (2431, 82937), (2561, 78727), (3349, 60203), (4631, 43537), (5473, 36839), (7157, 28171)]