81521284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{38237}}^1$

素因数の和:38295

約数の個数: 24

約数和(自身を含む): 157387608

約数和(自身を除く): 75866324

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 38237, 76474, 152948, 497081, 994162, 1567717, 1988324, 3135434, 6270868, 20380321, 40760642, 81521284]

約数ペア:

[(1, 81521284), (2, 40760642), (4, 20380321), (13, 6270868), (26, 3135434), (41, 1988324), (52, 1567717), (82, 994162), (164, 497081), (533, 152948), (1066, 76474), (2132, 38237)]