189790835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 65676685

約数列:

[1, 5, 13, 31, 65, 131, 155, 403, 655, 719, 1703, 2015, 3595, 4061, 8515, 9347, 20305, 22289, 46735, 52793, 94189, 111445, 263965, 289757, 470945, 1224457, 1448785, 2919859, 6122285, 14599295, 37958167, 189790835]

約数ペア:

[(1, 189790835), (5, 37958167), (13, 14599295), (31, 6122285), (65, 2919859), (131, 1448785), (155, 1224457), (403, 470945), (655, 289757), (719, 263965), (1703, 111445), (2015, 94189), (3595, 52793), (4061, 46735), (8515, 22289), (9347, 20305)]