87131758

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4889}}^1$

素因数の和:4984

約数の個数: 32

約数和(自身を含む): 159609600

約数和(自身を除く): 72477842

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1273, 2546, 4889, 8911, 9778, 17822, 34223, 68446, 92891, 185782, 327563, 650237, 655126, 1300474, 2292941, 4585882, 6223697, 12447394, 43565879, 87131758]

約数ペア:

[(1, 87131758), (2, 43565879), (7, 12447394), (14, 6223697), (19, 4585882), (38, 2292941), (67, 1300474), (133, 655126), (134, 650237), (266, 327563), (469, 185782), (938, 92891), (1273, 68446), (2546, 34223), (4889, 17822), (8911, 9778)]