261240512

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{313991}}^1$

素因数の和:314016

約数の個数: 28

約数和(自身を含む): 558277776

約数和(自身を除く): 297037264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 313991, 627982, 1255964, 2511928, 4081883, 5023856, 8163766, 10047712, 16327532, 20095424, 32655064, 65310128, 130620256, 261240512]

約数ペア:

[(1, 261240512), (2, 130620256), (4, 65310128), (8, 32655064), (13, 20095424), (16, 16327532), (26, 10047712), (32, 8163766), (52, 5023856), (64, 4081883), (104, 2511928), (208, 1255964), (416, 627982), (832, 313991)]