208021216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4951}}^1$

素因数の和:5075

約数の個数: 48

約数和(自身を含む): 445501728

約数和(自身を除く): 237480512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 808, 1313, 1616, 2626, 3232, 4951, 5252, 9902, 10504, 19804, 21008, 39608, 42016, 64363, 79216, 128726, 158432, 257452, 500051, 514904, 1000102, 1029808, 2000204, 2059616, 4000408, 6500663, 8000816, 13001326, 16001632, 26002652, 52005304, 104010608, 208021216]

約数ペア:

[(1, 208021216), (2, 104010608), (4, 52005304), (8, 26002652), (13, 16001632), (16, 13001326), (26, 8000816), (32, 6500663), (52, 4000408), (101, 2059616), (104, 2000204), (202, 1029808), (208, 1000102), (404, 514904), (416, 500051), (808, 257452), (1313, 158432), (1616, 128726), (2626, 79216), (3232, 64363), (4951, 42016), (5252, 39608), (9902, 21008), (10504, 19804)]