261349232

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{1103}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 517466880

約数和(自身を除く): 256117648

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 251, 472, 502, 944, 1004, 1103, 2008, 2206, 4016, 4412, 8824, 14809, 17648, 29618, 59236, 65077, 118472, 130154, 236944, 260308, 276853, 520616, 553706, 1041232, 1107412, 2214824, 4429648, 16334327, 32668654, 65337308, 130674616, 261349232]

約数ペア:

[(1, 261349232), (2, 130674616), (4, 65337308), (8, 32668654), (16, 16334327), (59, 4429648), (118, 2214824), (236, 1107412), (251, 1041232), (472, 553706), (502, 520616), (944, 276853), (1004, 260308), (1103, 236944), (2008, 130154), (2206, 118472), (4016, 65077), (4412, 59236), (8824, 29618), (14809, 17648)]