251967968

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 96

約数和(自身を含む): 605687040

約数和(自身を除く): 353719072

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 73, 76, 112, 133, 146, 152, 224, 266, 292, 304, 511, 532, 584, 608, 811, 1022, 1064, 1168, 1387, 1622, 2044, 2128, 2336, 2774, 3244, 4088, 4256, 5548, 5677, 6488, 8176, 9709, 11096, 11354, 12976, 15409, 16352, 19418, 22192, 22708, 25952, 30818, 38836, 44384, 45416, 59203, 61636, 77672, 90832, 107863, 118406, 123272, 155344, 181664, 215726, 236812, 246544, 310688, 414421, 431452, 473624, 493088, 828842, 862904, 947248, 1124857, 1657684, 1725808, 1894496, 2249714, 3315368, 3451616, 4499428, 6630736, 7873999, 8998856, 13261472, 15747998, 17997712, 31495996, 35995424, 62991992, 125983984, 251967968]

約数ペア:

[(1, 251967968), (2, 125983984), (4, 62991992), (7, 35995424), (8, 31495996), (14, 17997712), (16, 15747998), (19, 13261472), (28, 8998856), (32, 7873999), (38, 6630736), (56, 4499428), (73, 3451616), (76, 3315368), (112, 2249714), (133, 1894496), (146, 1725808), (152, 1657684), (224, 1124857), (266, 947248), (292, 862904), (304, 828842), (511, 493088), (532, 473624), (584, 431452), (608, 414421), (811, 310688), (1022, 246544), (1064, 236812), (1168, 215726), (1387, 181664), (1622, 155344), (2044, 123272), (2128, 118406), (2336, 107863), (2774, 90832), (3244, 77672), (4088, 61636), (4256, 59203), (5548, 45416), (5677, 44384), (6488, 38836), (8176, 30818), (9709, 25952), (11096, 22708), (11354, 22192), (12976, 19418), (15409, 16352)]