51211290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131311}}^1$

素因数の和:131334

約数の個数: 32

約数和(自身を含む): 132362496

約数和(自身を除く): 81151206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 131311, 262622, 393933, 656555, 787866, 1313110, 1707043, 1969665, 3414086, 3939330, 5121129, 8535215, 10242258, 17070430, 25605645, 51211290]

約数ペア:

[(1, 51211290), (2, 25605645), (3, 17070430), (5, 10242258), (6, 8535215), (10, 5121129), (13, 3939330), (15, 3414086), (26, 1969665), (30, 1707043), (39, 1313110), (65, 787866), (78, 656555), (130, 393933), (195, 262622), (390, 131311)]