251428352

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 120

約数和(自身を含む): 601376688

約数和(自身を除く): 349948336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 73, 112, 124, 128, 146, 217, 224, 248, 256, 292, 434, 448, 496, 511, 512, 584, 868, 896, 961, 992, 1022, 1168, 1736, 1792, 1922, 1984, 2044, 2263, 2336, 3472, 3584, 3844, 3968, 4088, 4526, 4672, 6727, 6944, 7688, 7936, 8176, 9052, 9344, 13454, 13888, 15376, 15841, 15872, 16352, 18104, 18688, 26908, 27776, 30752, 31682, 32704, 36208, 37376, 53816, 55552, 61504, 63364, 65408, 70153, 72416, 107632, 111104, 123008, 126728, 130816, 140306, 144832, 215264, 246016, 253456, 261632, 280612, 289664, 430528, 491071, 492032, 506912, 561224, 579328, 861056, 982142, 1013824, 1122448, 1158656, 1722112, 1964284, 2027648, 2244896, 3444224, 3928568, 4055296, 4489792, 7857136, 8110592, 8979584, 15714272, 17959168, 31428544, 35918336, 62857088, 125714176, 251428352]

約数ペア:

[(1, 251428352), (2, 125714176), (4, 62857088), (7, 35918336), (8, 31428544), (14, 17959168), (16, 15714272), (28, 8979584), (31, 8110592), (32, 7857136), (56, 4489792), (62, 4055296), (64, 3928568), (73, 3444224), (112, 2244896), (124, 2027648), (128, 1964284), (146, 1722112), (217, 1158656), (224, 1122448), (248, 1013824), (256, 982142), (292, 861056), (434, 579328), (448, 561224), (496, 506912), (511, 492032), (512, 491071), (584, 430528), (868, 289664), (896, 280612), (961, 261632), (992, 253456), (1022, 246016), (1168, 215264), (1736, 144832), (1792, 140306), (1922, 130816), (1984, 126728), (2044, 123008), (2263, 111104), (2336, 107632), (3472, 72416), (3584, 70153), (3844, 65408), (3968, 63364), (4088, 61504), (4526, 55552), (4672, 53816), (6727, 37376), (6944, 36208), (7688, 32704), (7936, 31682), (8176, 30752), (9052, 27776), (9344, 26908), (13454, 18688), (13888, 18104), (15376, 16352), (15841, 15872)]