205015902

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 526848000

約数和(自身を除く): 321832098

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 79, 91, 97, 98, 147, 158, 182, 194, 237, 273, 291, 294, 343, 474, 546, 553, 582, 637, 679, 686, 1027, 1029, 1106, 1261, 1274, 1358, 1659, 1911, 2037, 2054, 2058, 2522, 3081, 3318, 3783, 3822, 3871, 4074, 4459, 4753, 6162, 7189, 7566, 7663, 7742, 8827, 8918, 9506, 11613, 13377, 14259, 14378, 15326, 17654, 21567, 22989, 23226, 26481, 26754, 27097, 28518, 33271, 43134, 45978, 50323, 52962, 53641, 54194, 61789, 66542, 81291, 99619, 99813, 100646, 107282, 123578, 150969, 160923, 162582, 185367, 199238, 199626, 298857, 301938, 321846, 352261, 370734, 375487, 432523, 597714, 697333, 704522, 750974, 865046, 1056783, 1126461, 1297569, 1394666, 2091999, 2113566, 2252922, 2595138, 2628409, 4183998, 4881331, 5256818, 7885227, 9762662, 14643993, 15770454, 29287986, 34169317, 68338634, 102507951, 205015902]

約数ペア:

[(1, 205015902), (2, 102507951), (3, 68338634), (6, 34169317), (7, 29287986), (13, 15770454), (14, 14643993), (21, 9762662), (26, 7885227), (39, 5256818), (42, 4881331), (49, 4183998), (78, 2628409), (79, 2595138), (91, 2252922), (97, 2113566), (98, 2091999), (147, 1394666), (158, 1297569), (182, 1126461), (194, 1056783), (237, 865046), (273, 750974), (291, 704522), (294, 697333), (343, 597714), (474, 432523), (546, 375487), (553, 370734), (582, 352261), (637, 321846), (679, 301938), (686, 298857), (1027, 199626), (1029, 199238), (1106, 185367), (1261, 162582), (1274, 160923), (1358, 150969), (1659, 123578), (1911, 107282), (2037, 100646), (2054, 99813), (2058, 99619), (2522, 81291), (3081, 66542), (3318, 61789), (3783, 54194), (3822, 53641), (3871, 52962), (4074, 50323), (4459, 45978), (4753, 43134), (6162, 33271), (7189, 28518), (7566, 27097), (7663, 26754), (7742, 26481), (8827, 23226), (8918, 22989), (9506, 21567), (11613, 17654), (13377, 15326), (14259, 14378)]