87123778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2579}}^1$

素因数の和:2734

約数の個数: 32

約数和(自身を含む): 158515200

約数和(自身を除く): 71391422

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 889, 1778, 2413, 2579, 4826, 5158, 16891, 18053, 33782, 36106, 49001, 98002, 327533, 343007, 655066, 686014, 2292731, 4585462, 6223127, 12446254, 43561889, 87123778]

約数ペア:

[(1, 87123778), (2, 43561889), (7, 12446254), (14, 6223127), (19, 4585462), (38, 2292731), (127, 686014), (133, 655066), (254, 343007), (266, 327533), (889, 98002), (1778, 49001), (2413, 36106), (2579, 33782), (4826, 18053), (5158, 16891)]