213131968

素因数分解:

$2^6\times 7^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 140

約数和(自身を含む): 526475960

約数和(自身を除く): 313343992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 73, 76, 98, 112, 133, 146, 152, 196, 224, 266, 292, 304, 343, 392, 448, 511, 532, 584, 608, 686, 784, 931, 1022, 1064, 1168, 1216, 1372, 1387, 1568, 1862, 2044, 2128, 2336, 2401, 2744, 2774, 3136, 3577, 3724, 4088, 4256, 4672, 4802, 5488, 5548, 6517, 7154, 7448, 8176, 8512, 9604, 9709, 10976, 11096, 13034, 14308, 14896, 16352, 19208, 19418, 21952, 22192, 25039, 26068, 28616, 29792, 32704, 38416, 38836, 44384, 45619, 50078, 52136, 57232, 59584, 67963, 76832, 77672, 88768, 91238, 100156, 104272, 114464, 135926, 153664, 155344, 175273, 182476, 200312, 208544, 228928, 271852, 310688, 350546, 364952, 400624, 417088, 475741, 543704, 621376, 701092, 729904, 801248, 951482, 1087408, 1402184, 1459808, 1602496, 1902964, 2174816, 2804368, 2919616, 3330187, 3805928, 4349632, 5608736, 6660374, 7611856, 11217472, 13320748, 15223712, 26641496, 30447424, 53282992, 106565984, 213131968]

約数ペア:

[(1, 213131968), (2, 106565984), (4, 53282992), (7, 30447424), (8, 26641496), (14, 15223712), (16, 13320748), (19, 11217472), (28, 7611856), (32, 6660374), (38, 5608736), (49, 4349632), (56, 3805928), (64, 3330187), (73, 2919616), (76, 2804368), (98, 2174816), (112, 1902964), (133, 1602496), (146, 1459808), (152, 1402184), (196, 1087408), (224, 951482), (266, 801248), (292, 729904), (304, 701092), (343, 621376), (392, 543704), (448, 475741), (511, 417088), (532, 400624), (584, 364952), (608, 350546), (686, 310688), (784, 271852), (931, 228928), (1022, 208544), (1064, 200312), (1168, 182476), (1216, 175273), (1372, 155344), (1387, 153664), (1568, 135926), (1862, 114464), (2044, 104272), (2128, 100156), (2336, 91238), (2401, 88768), (2744, 77672), (2774, 76832), (3136, 67963), (3577, 59584), (3724, 57232), (4088, 52136), (4256, 50078), (4672, 45619), (4802, 44384), (5488, 38836), (5548, 38416), (6517, 32704), (7154, 29792), (7448, 28616), (8176, 26068), (8512, 25039), (9604, 22192), (9709, 21952), (10976, 19418), (11096, 19208), (13034, 16352), (14308, 14896)]