728376558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1950

約数の個数: 128

約数和(自身を含む): 1932263424

約数和(自身を除く): 1203886866

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 31, 39, 42, 46, 62, 69, 78, 91, 93, 138, 161, 182, 186, 217, 273, 299, 322, 403, 434, 483, 546, 598, 651, 713, 806, 897, 966, 1209, 1302, 1426, 1794, 1871, 2093, 2139, 2418, 2821, 3742, 4186, 4278, 4991, 5613, 5642, 6279, 8463, 9269, 9982, 11226, 12558, 13097, 14973, 16926, 18538, 24323, 26194, 27807, 29946, 39291, 43033, 48646, 55614, 58001, 64883, 72969, 78582, 86066, 116002, 129099, 129766, 145938, 170261, 174003, 194649, 258198, 301231, 340522, 348006, 389298, 406007, 510783, 559429, 602462, 754013, 812014, 903693, 1021566, 1118858, 1218021, 1334023, 1508026, 1678287, 1807386, 2262039, 2436042, 2668046, 3356574, 3916003, 4002069, 4524078, 5278091, 7832006, 8004138, 9338161, 10556182, 11748009, 15834273, 17342299, 18676322, 23496018, 28014483, 31668546, 34684598, 52026897, 56028966, 104053794, 121396093, 242792186, 364188279, 728376558]

約数ペア:

[(1, 728376558), (2, 364188279), (3, 242792186), (6, 121396093), (7, 104053794), (13, 56028966), (14, 52026897), (21, 34684598), (23, 31668546), (26, 28014483), (31, 23496018), (39, 18676322), (42, 17342299), (46, 15834273), (62, 11748009), (69, 10556182), (78, 9338161), (91, 8004138), (93, 7832006), (138, 5278091), (161, 4524078), (182, 4002069), (186, 3916003), (217, 3356574), (273, 2668046), (299, 2436042), (322, 2262039), (403, 1807386), (434, 1678287), (483, 1508026), (546, 1334023), (598, 1218021), (651, 1118858), (713, 1021566), (806, 903693), (897, 812014), (966, 754013), (1209, 602462), (1302, 559429), (1426, 510783), (1794, 406007), (1871, 389298), (2093, 348006), (2139, 340522), (2418, 301231), (2821, 258198), (3742, 194649), (4186, 174003), (4278, 170261), (4991, 145938), (5613, 129766), (5642, 129099), (6279, 116002), (8463, 86066), (9269, 78582), (9982, 72969), (11226, 64883), (12558, 58001), (13097, 55614), (14973, 48646), (16926, 43033), (18538, 39291), (24323, 29946), (26194, 27807)]