51687870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132533}}^1$

素因数の和:132556

約数の個数: 32

約数和(自身を含む): 133594272

約数和(自身を除く): 81906402

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 132533, 265066, 397599, 662665, 795198, 1325330, 1722929, 1987995, 3445858, 3975990, 5168787, 8614645, 10337574, 17229290, 25843935, 51687870]

約数ペア:

[(1, 51687870), (2, 25843935), (3, 17229290), (5, 10337574), (6, 8614645), (10, 5168787), (13, 3975990), (15, 3445858), (26, 1987995), (30, 1722929), (39, 1325330), (65, 795198), (78, 662665), (130, 397599), (195, 265066), (390, 132533)]