261796384

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3233

約数の個数: 48

約数和(自身を含む): 536215680

約数和(自身を除く): 274419296

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 1376, 1952, 2623, 3119, 5246, 6238, 10492, 12476, 20984, 24952, 41968, 49904, 83936, 99808, 134117, 190259, 268234, 380518, 536468, 761036, 1072936, 1522072, 2145872, 3044144, 4291744, 6088288, 8181137, 16362274, 32724548, 65449096, 130898192, 261796384]

約数ペア:

[(1, 261796384), (2, 130898192), (4, 65449096), (8, 32724548), (16, 16362274), (32, 8181137), (43, 6088288), (61, 4291744), (86, 3044144), (122, 2145872), (172, 1522072), (244, 1072936), (344, 761036), (488, 536468), (688, 380518), (976, 268234), (1376, 190259), (1952, 134117), (2623, 99808), (3119, 83936), (5246, 49904), (6238, 41968), (10492, 24952), (12476, 20984)]