261464912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5923}}^1$

素因数の和:6051

約数の個数: 40

約数和(自身を含む): 528894720

約数和(自身を除く): 267429808

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 712, 1424, 2759, 5518, 5923, 11036, 11846, 22072, 23692, 44144, 47384, 94768, 183613, 367226, 527147, 734452, 1054294, 1468904, 2108588, 2937808, 4217176, 8434352, 16341557, 32683114, 65366228, 130732456, 261464912]

約数ペア:

[(1, 261464912), (2, 130732456), (4, 65366228), (8, 32683114), (16, 16341557), (31, 8434352), (62, 4217176), (89, 2937808), (124, 2108588), (178, 1468904), (248, 1054294), (356, 734452), (496, 527147), (712, 367226), (1424, 183613), (2759, 94768), (5518, 47384), (5923, 44144), (11036, 23692), (11846, 22072)]