256875808

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26669}}^1$

素因数の和:26729

約数の個数: 48

約数和(自身を含む): 591433920

約数和(自身を除く): 334558112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2408, 4816, 9632, 26669, 53338, 106676, 186683, 213352, 373366, 426704, 746732, 853408, 1146767, 1493464, 2293534, 2986928, 4587068, 5973856, 8027369, 9174136, 16054738, 18348272, 32109476, 36696544, 64218952, 128437904, 256875808]

約数ペア:

[(1, 256875808), (2, 128437904), (4, 64218952), (7, 36696544), (8, 32109476), (14, 18348272), (16, 16054738), (28, 9174136), (32, 8027369), (43, 5973856), (56, 4587068), (86, 2986928), (112, 2293534), (172, 1493464), (224, 1146767), (301, 853408), (344, 746732), (602, 426704), (688, 373366), (1204, 213352), (1376, 186683), (2408, 106676), (4816, 53338), (9632, 26669)]