219920808877

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1\times {\mathrm{2971}}^1$

素因数の和:3879

約数の個数: 64

約数和(自身を含む): 292387737600

約数和(自身を除く): 72466928723

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 343, 539, 853, 1127, 1771, 2971, 3773, 5971, 7889, 9383, 12397, 19619, 20797, 32681, 41797, 65681, 68333, 86779, 137333, 145579, 215809, 228767, 292579, 459767, 478331, 751663, 961331, 1019053, 1510663, 1601369, 2534263, 3218369, 3348317, 5261641, 6729317, 10574641, 11209583, 17739841, 23438219, 27876893, 36831487, 58288049, 74022487, 124178887, 195138251, 257820409, 408016343, 641168539, 869252209, 1365967757, 2856114401, 4488179773, 9561774299, 19992800807, 31417258411, 219920808877]

約数ペア:

[(1, 219920808877), (7, 31417258411), (11, 19992800807), (23, 9561774299), (49, 4488179773), (77, 2856114401), (161, 1365967757), (253, 869252209), (343, 641168539), (539, 408016343), (853, 257820409), (1127, 195138251), (1771, 124178887), (2971, 74022487), (3773, 58288049), (5971, 36831487), (7889, 27876893), (9383, 23438219), (12397, 17739841), (19619, 11209583), (20797, 10574641), (32681, 6729317), (41797, 5261641), (65681, 3348317), (68333, 3218369), (86779, 2534263), (137333, 1601369), (145579, 1510663), (215809, 1019053), (228767, 961331), (292579, 751663), (459767, 478331)]