1985157104

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199153}}^1$

素因数の和:199257

約数の個数: 40

約数和(自身を含む): 4445117280

約数和(自身を除く): 2459960176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 199153, 398306, 796612, 1394071, 1593224, 2788142, 3186448, 5576284, 11152568, 17724617, 22305136, 35449234, 70898468, 124072319, 141796936, 248144638, 283593872, 496289276, 992578552, 1985157104]

約数ペア:

[(1, 1985157104), (2, 992578552), (4, 496289276), (7, 283593872), (8, 248144638), (14, 141796936), (16, 124072319), (28, 70898468), (56, 35449234), (89, 22305136), (112, 17724617), (178, 11152568), (356, 5576284), (623, 3186448), (712, 2788142), (1246, 1593224), (1424, 1394071), (2492, 796612), (4984, 398306), (9968, 199153)]