156720008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{6661}}^1$

素因数の和:6857

約数の個数: 32

約数和(自身を含む): 312980760

約数和(自身を除く): 156260752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 1384, 2941, 5882, 6661, 11764, 13322, 23528, 26644, 53288, 113237, 226474, 452948, 905896, 1152353, 2304706, 4609412, 9218824, 19590001, 39180002, 78360004, 156720008]

約数ペア:

[(1, 156720008), (2, 78360004), (4, 39180002), (8, 19590001), (17, 9218824), (34, 4609412), (68, 2304706), (136, 1152353), (173, 905896), (346, 452948), (692, 226474), (1384, 113237), (2941, 53288), (5882, 26644), (6661, 23528), (11764, 13322)]