51979991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 65472000

約数和(自身を除く): 13492009

約数列:

[1, 7, 19, 43, 61, 133, 149, 301, 427, 817, 1043, 1159, 2623, 2831, 5719, 6407, 8113, 9089, 18361, 19817, 44849, 49837, 63623, 121733, 172691, 348859, 390827, 852131, 1208837, 2735789, 7425713, 51979991]

約数ペア:

[(1, 51979991), (7, 7425713), (19, 2735789), (43, 1208837), (61, 852131), (133, 390827), (149, 348859), (301, 172691), (427, 121733), (817, 63623), (1043, 49837), (1159, 44849), (2623, 19817), (2831, 18361), (5719, 9089), (6407, 8113)]