78254128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1663}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 161561088

約数和(自身を除く): 83306960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 173, 272, 346, 692, 1384, 1663, 2768, 2941, 3326, 5882, 6652, 11764, 13304, 23528, 26608, 28271, 47056, 56542, 113084, 226168, 287699, 452336, 575398, 1150796, 2301592, 4603184, 4890883, 9781766, 19563532, 39127064, 78254128]

約数ペア:

[(1, 78254128), (2, 39127064), (4, 19563532), (8, 9781766), (16, 4890883), (17, 4603184), (34, 2301592), (68, 1150796), (136, 575398), (173, 452336), (272, 287699), (346, 226168), (692, 113084), (1384, 56542), (1663, 47056), (2768, 28271), (2941, 26608), (3326, 23528), (5882, 13304), (6652, 11764)]