128695570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{415147}}^1$

素因数の和:415185

約数の個数: 16

約数和(自身を含む): 239125248

約数和(自身を除く): 110429678

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 415147, 830294, 2075735, 4151470, 12869557, 25739114, 64347785, 128695570]

約数ペア:

[(1, 128695570), (2, 64347785), (5, 25739114), (10, 12869557), (31, 4151470), (62, 2075735), (155, 830294), (310, 415147)]