2078388728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487427}}^1$

素因数の和:487487

約数の個数: 32

約数和(自身を含む): 4299114960

約数和(自身を除く): 2220726232

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 487427, 974854, 1949708, 3899416, 6336551, 12673102, 19984507, 25346204, 39969014, 50692408, 79938028, 159876056, 259798591, 519597182, 1039194364, 2078388728]

約数ペア:

[(1, 2078388728), (2, 1039194364), (4, 519597182), (8, 259798591), (13, 159876056), (26, 79938028), (41, 50692408), (52, 39969014), (82, 25346204), (104, 19984507), (164, 12673102), (328, 6336551), (533, 3899416), (1066, 1949708), (2132, 974854), (4264, 487427)]