1620521728

素因数分解:

$2^8\times 7^2\times {\mathrm{129187}}^1$

素因数の和:129217

約数の個数: 54

約数和(自身を含む): 3762858876

約数和(自身を除く): 2142337148

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 129187, 258374, 516748, 904309, 1033496, 1808618, 2066992, 3617236, 4133984, 6330163, 7234472, 8267968, 12660326, 14468944, 16535936, 25320652, 28937888, 33071872, 50641304, 57875776, 101282608, 115751552, 202565216, 231503104, 405130432, 810260864, 1620521728]

約数ペア:

[(1, 1620521728), (2, 810260864), (4, 405130432), (7, 231503104), (8, 202565216), (14, 115751552), (16, 101282608), (28, 57875776), (32, 50641304), (49, 33071872), (56, 28937888), (64, 25320652), (98, 16535936), (112, 14468944), (128, 12660326), (196, 8267968), (224, 7234472), (256, 6330163), (392, 4133984), (448, 3617236), (784, 2066992), (896, 1808618), (1568, 1033496), (1792, 904309), (3136, 516748), (6272, 258374), (12544, 129187)]