1247685248

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 2554300320

約数和(自身を除く): 1306615072

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 397, 571, 688, 794, 1142, 1376, 1588, 2284, 2752, 3176, 4568, 5504, 6352, 9136, 12704, 17071, 18272, 24553, 25408, 34142, 36544, 49106, 50816, 68284, 73088, 98212, 136568, 196424, 226687, 273136, 392848, 453374, 546272, 785696, 906748, 1092544, 1571392, 1813496, 2185088, 3142784, 3626992, 7253984, 9747541, 14507968, 19495082, 29015936, 38990164, 77980328, 155960656, 311921312, 623842624, 1247685248]

約数ペア:

[(1, 1247685248), (2, 623842624), (4, 311921312), (8, 155960656), (16, 77980328), (32, 38990164), (43, 29015936), (64, 19495082), (86, 14507968), (128, 9747541), (172, 7253984), (344, 3626992), (397, 3142784), (571, 2185088), (688, 1813496), (794, 1571392), (1142, 1092544), (1376, 906748), (1588, 785696), (2284, 546272), (2752, 453374), (3176, 392848), (4568, 273136), (5504, 226687), (6352, 196424), (9136, 136568), (12704, 98212), (17071, 73088), (18272, 68284), (24553, 50816), (25408, 49106), (34142, 36544)]