1561238

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 2770200

約数和(自身を除く): 1208962

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 179, 358, 623, 1246, 1253, 2506, 4361, 8722, 8771, 15931, 17542, 31862, 111517, 223034, 780619, 1561238]

約数ペア:

[(1, 1561238), (2, 780619), (7, 223034), (14, 111517), (49, 31862), (89, 17542), (98, 15931), (178, 8771), (179, 8722), (358, 4361), (623, 2506), (1246, 1253)]