205127872018

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1$

素因数の和:943

約数の個数: 64

約数和(自身を含む): 319589867520

約数和(自身を除く): 114461995502

約数列:

[1, 2, 71, 79, 142, 158, 251, 263, 277, 502, 526, 554, 5609, 11218, 17821, 18673, 19667, 19829, 20777, 21883, 35642, 37346, 39334, 39658, 41554, 43766, 66013, 69527, 72851, 132026, 139054, 145702, 1407859, 1475167, 1553693, 2815718, 2950334, 3107386, 4686923, 4936417, 5172421, 5215027, 5492633, 5755229, 9373846, 9872834, 10344842, 10430054, 10985266, 11510458, 18285601, 36571202, 370266917, 389976943, 408621259, 740533834, 779953886, 817242518, 1298277671, 1444562479, 2596555342, 2889124958, 102563936009, 205127872018]

約数ペア:

[(1, 205127872018), (2, 102563936009), (71, 2889124958), (79, 2596555342), (142, 1444562479), (158, 1298277671), (251, 817242518), (263, 779953886), (277, 740533834), (502, 408621259), (526, 389976943), (554, 370266917), (5609, 36571202), (11218, 18285601), (17821, 11510458), (18673, 10985266), (19667, 10430054), (19829, 10344842), (20777, 9872834), (21883, 9373846), (35642, 5755229), (37346, 5492633), (39334, 5215027), (39658, 5172421), (41554, 4936417), (43766, 4686923), (66013, 3107386), (69527, 2950334), (72851, 2815718), (132026, 1553693), (139054, 1475167), (145702, 1407859)]