1640342872

素因数分解:

$2^3\times 7^1\times {\mathrm{4159}}^1\times {\mathrm{7043}}^1$

素因数の和:11215

約数の個数: 32

約数和(自身を含む): 3516364800

約数和(自身を除く): 1876021928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4159, 7043, 8318, 14086, 16636, 28172, 29113, 33272, 49301, 56344, 58226, 98602, 116452, 197204, 232904, 394408, 29291837, 58583674, 117167348, 205042859, 234334696, 410085718, 820171436, 1640342872]

約数ペア:

[(1, 1640342872), (2, 820171436), (4, 410085718), (7, 234334696), (8, 205042859), (14, 117167348), (28, 58583674), (56, 29291837), (4159, 394408), (7043, 232904), (8318, 197204), (14086, 116452), (16636, 98602), (28172, 58226), (29113, 56344), (33272, 49301)]