81023212

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{9203}}^1$

素因数の和:9309

約数の個数: 24

約数和(自身を含む): 148442112

約数和(自身を除く): 67418900

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 4402, 8804, 9203, 18406, 36812, 285293, 570586, 653413, 1141172, 1306826, 2613652, 20255803, 40511606, 81023212]

約数ペア:

[(1, 81023212), (2, 40511606), (4, 20255803), (31, 2613652), (62, 1306826), (71, 1141172), (124, 653413), (142, 570586), (284, 285293), (2201, 36812), (4402, 18406), (8804, 9203)]