641387264

素因数分解:

$2^8\times 7^2\times {\mathrm{51131}}^1$

素因数の和:51161

約数の個数: 54

約数和(自身を含む): 1489321764

約数和(自身を除く): 847934500

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, 51131, 102262, 204524, 357917, 409048, 715834, 818096, 1431668, 1636192, 2505419, 2863336, 3272384, 5010838, 5726672, 6544768, 10021676, 11453344, 13089536, 20043352, 22906688, 40086704, 45813376, 80173408, 91626752, 160346816, 320693632, 641387264]

約数ペア:

[(1, 641387264), (2, 320693632), (4, 160346816), (7, 91626752), (8, 80173408), (14, 45813376), (16, 40086704), (28, 22906688), (32, 20043352), (49, 13089536), (56, 11453344), (64, 10021676), (98, 6544768), (112, 5726672), (128, 5010838), (196, 3272384), (224, 2863336), (256, 2505419), (392, 1636192), (448, 1431668), (784, 818096), (896, 715834), (1568, 409048), (1792, 357917), (3136, 204524), (6272, 102262), (12544, 51131)]