217811952

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:931

約数の個数: 120

約数和(自身を含む): 640673280

約数和(自身を除く): 422861328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 93, 118, 124, 144, 177, 186, 236, 248, 279, 354, 372, 472, 496, 531, 558, 708, 744, 827, 944, 1062, 1116, 1416, 1488, 1654, 1829, 2124, 2232, 2481, 2832, 3308, 3658, 4248, 4464, 4962, 5487, 6616, 7316, 7443, 8496, 9924, 10974, 13232, 14632, 14886, 16461, 19848, 21948, 25637, 29264, 29772, 32922, 39696, 43896, 48793, 51274, 59544, 65844, 76911, 87792, 97586, 102548, 119088, 131688, 146379, 153822, 195172, 205096, 230733, 263376, 292758, 307644, 390344, 410192, 439137, 461466, 585516, 615288, 780688, 878274, 922932, 1171032, 1230576, 1512583, 1756548, 1845864, 2342064, 3025166, 3513096, 3691728, 4537749, 6050332, 7026192, 9075498, 12100664, 13613247, 18150996, 24201328, 27226494, 36301992, 54452988, 72603984, 108905976, 217811952]

約数ペア:

[(1, 217811952), (2, 108905976), (3, 72603984), (4, 54452988), (6, 36301992), (8, 27226494), (9, 24201328), (12, 18150996), (16, 13613247), (18, 12100664), (24, 9075498), (31, 7026192), (36, 6050332), (48, 4537749), (59, 3691728), (62, 3513096), (72, 3025166), (93, 2342064), (118, 1845864), (124, 1756548), (144, 1512583), (177, 1230576), (186, 1171032), (236, 922932), (248, 878274), (279, 780688), (354, 615288), (372, 585516), (472, 461466), (496, 439137), (531, 410192), (558, 390344), (708, 307644), (744, 292758), (827, 263376), (944, 230733), (1062, 205096), (1116, 195172), (1416, 153822), (1488, 146379), (1654, 131688), (1829, 119088), (2124, 102548), (2232, 97586), (2481, 87792), (2832, 76911), (3308, 65844), (3658, 59544), (4248, 51274), (4464, 48793), (4962, 43896), (5487, 39696), (6616, 32922), (7316, 29772), (7443, 29264), (8496, 25637), (9924, 21948), (10974, 19848), (13232, 16461), (14632, 14886)]