12840127778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{61297}}^1$

素因数の和:61478

約数の個数: 32

約数和(自身を含む): 20933021808

約数和(自身を除く): 8092894030

約数列:

[1, 2, 17, 34, 61, 101, 122, 202, 1037, 1717, 2074, 3434, 6161, 12322, 61297, 104737, 122594, 209474, 1042049, 2084098, 3739117, 6190997, 7478234, 12381994, 63564989, 105246949, 127129978, 210493898, 377650817, 755301634, 6420063889, 12840127778]

約数ペア:

[(1, 12840127778), (2, 6420063889), (17, 755301634), (34, 377650817), (61, 210493898), (101, 127129978), (122, 105246949), (202, 63564989), (1037, 12381994), (1717, 7478234), (2074, 6190997), (3434, 3739117), (6161, 2084098), (12322, 1042049), (61297, 209474), (104737, 122594)]