39894428

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2287}}^1$

素因数の和:2394

約数の個数: 36

約数和(自身を含む): 82162080

約数和(自身を除く): 42267652

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2287, 2492, 4361, 4574, 8722, 9148, 16009, 17444, 32018, 64036, 112063, 203543, 224126, 407086, 448252, 814172, 1424801, 2849602, 5699204, 9973607, 19947214, 39894428]

約数ペア:

[(1, 39894428), (2, 19947214), (4, 9973607), (7, 5699204), (14, 2849602), (28, 1424801), (49, 814172), (89, 448252), (98, 407086), (178, 224126), (196, 203543), (356, 112063), (623, 64036), (1246, 32018), (2287, 17444), (2492, 16009), (4361, 9148), (4574, 8722)]