28785492086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 47842099200

約数和(自身を除く): 19056607114

約数列:

[1, 2, 13, 26, 71, 127, 142, 199, 254, 398, 617, 923, 1234, 1651, 1846, 2587, 3302, 5174, 8021, 9017, 14129, 16042, 18034, 25273, 28258, 43807, 50546, 78359, 87614, 117221, 122783, 156718, 183677, 234442, 245566, 328549, 367354, 569491, 657098, 1018667, 1138982, 1596179, 1794383, 2037334, 3192358, 3588766, 5563489, 8717593, 11126978, 15593441, 17435186, 23326979, 31186882, 46653958, 72325357, 113328709, 144650714, 202714733, 226657418, 405429466, 1107134311, 2214268622, 14392746043, 28785492086]

約数ペア:

[(1, 28785492086), (2, 14392746043), (13, 2214268622), (26, 1107134311), (71, 405429466), (127, 226657418), (142, 202714733), (199, 144650714), (254, 113328709), (398, 72325357), (617, 46653958), (923, 31186882), (1234, 23326979), (1651, 17435186), (1846, 15593441), (2587, 11126978), (3302, 8717593), (5174, 5563489), (8021, 3588766), (9017, 3192358), (14129, 2037334), (16042, 1794383), (18034, 1596179), (25273, 1138982), (28258, 1018667), (43807, 657098), (50546, 569491), (78359, 367354), (87614, 328549), (117221, 245566), (122783, 234442), (156718, 183677)]