81700112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3889}}^1$

素因数の和:4011

約数の個数: 40

約数和(自身を含む): 172202520

約数和(自身を除く): 90502408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 3889, 5252, 7778, 10504, 15556, 21008, 31112, 50557, 62224, 101114, 202228, 392789, 404456, 785578, 808912, 1571156, 3142312, 5106257, 6284624, 10212514, 20425028, 40850056, 81700112]

約数ペア:

[(1, 81700112), (2, 40850056), (4, 20425028), (8, 10212514), (13, 6284624), (16, 5106257), (26, 3142312), (52, 1571156), (101, 808912), (104, 785578), (202, 404456), (208, 392789), (404, 202228), (808, 101114), (1313, 62224), (1616, 50557), (2626, 31112), (3889, 21008), (5252, 15556), (7778, 10504)]