257203744

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9649}}^1$

素因数の和:9690

約数の個数: 72

約数和(自身を含む): 623756700

約数和(自身を除く): 366552956

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 9649, 13328, 19298, 26656, 38596, 67543, 77192, 135086, 154384, 164033, 270172, 308768, 328066, 472801, 540344, 656132, 945602, 1080688, 1148231, 1312264, 1891204, 2161376, 2296462, 2624528, 3782408, 4592924, 5249056, 7564816, 8037617, 9185848, 15129632, 16075234, 18371696, 32150468, 36743392, 64300936, 128601872, 257203744]

約数ペア:

[(1, 257203744), (2, 128601872), (4, 64300936), (7, 36743392), (8, 32150468), (14, 18371696), (16, 16075234), (17, 15129632), (28, 9185848), (32, 8037617), (34, 7564816), (49, 5249056), (56, 4592924), (68, 3782408), (98, 2624528), (112, 2296462), (119, 2161376), (136, 1891204), (196, 1312264), (224, 1148231), (238, 1080688), (272, 945602), (392, 656132), (476, 540344), (544, 472801), (784, 328066), (833, 308768), (952, 270172), (1568, 164033), (1666, 154384), (1904, 135086), (3332, 77192), (3808, 67543), (6664, 38596), (9649, 26656), (13328, 19298)]