201721936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51043}}^1$

素因数の和:51083

約数の個数: 40

約数和(自身を含む): 443061920

約数和(自身を除く): 241339984

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 51043, 102086, 204172, 408344, 663559, 816688, 969817, 1327118, 1939634, 2654236, 3879268, 5308472, 7758536, 10616944, 12607621, 15517072, 25215242, 50430484, 100860968, 201721936]

約数ペア:

[(1, 201721936), (2, 100860968), (4, 50430484), (8, 25215242), (13, 15517072), (16, 12607621), (19, 10616944), (26, 7758536), (38, 5308472), (52, 3879268), (76, 2654236), (104, 1939634), (152, 1327118), (208, 969817), (247, 816688), (304, 663559), (494, 408344), (988, 204172), (1976, 102086), (3952, 51043)]