1991370859045

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1\times {\mathrm{547}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 2460265307136

約数和(自身を除く): 468894448091

約数列:

[1, 5, 97, 113, 181, 367, 485, 547, 565, 905, 1835, 2735, 10961, 17557, 20453, 35599, 41471, 53059, 54805, 61811, 66427, 87785, 99007, 102265, 177995, 200749, 207355, 265295, 309055, 332135, 495035, 1003745, 1983941, 4022687, 5995667, 6443419, 7506251, 9603679, 9919705, 11187791, 19472653, 20113435, 22684637, 29978335, 32217095, 36335569, 37531255, 48018395, 55938955, 97363265, 113423185, 181677845, 728106347, 1085215727, 2200409789, 3524550193, 3640531735, 4105919297, 5426078635, 11002048945, 17622750965, 20529596485, 398274171809, 1991370859045]

約数ペア:

[(1, 1991370859045), (5, 398274171809), (97, 20529596485), (113, 17622750965), (181, 11002048945), (367, 5426078635), (485, 4105919297), (547, 3640531735), (565, 3524550193), (905, 2200409789), (1835, 1085215727), (2735, 728106347), (10961, 181677845), (17557, 113423185), (20453, 97363265), (35599, 55938955), (41471, 48018395), (53059, 37531255), (54805, 36335569), (61811, 32217095), (66427, 29978335), (87785, 22684637), (99007, 20113435), (102265, 19472653), (177995, 11187791), (200749, 9919705), (207355, 9603679), (265295, 7506251), (309055, 6443419), (332135, 5995667), (495035, 4022687), (1003745, 1983941)]