15963805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 6897635

約数列:

[1, 5, 11, 13, 55, 65, 83, 143, 269, 415, 715, 913, 1079, 1345, 2959, 3497, 4565, 5395, 11869, 14795, 17485, 22327, 38467, 59345, 111635, 192335, 245597, 290251, 1227985, 1451255, 3192761, 15963805]

約数ペア:

[(1, 15963805), (5, 3192761), (11, 1451255), (13, 1227985), (55, 290251), (65, 245597), (83, 192335), (143, 111635), (269, 59345), (415, 38467), (715, 22327), (913, 17485), (1079, 14795), (1345, 11869), (2959, 5395), (3497, 4565)]