78338290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 145487664

約数和(自身を除く): 67149374

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 314, 410, 785, 1217, 1570, 2434, 6085, 6437, 12170, 12874, 32185, 49897, 64370, 99794, 191069, 249485, 382138, 498970, 955345, 1910690, 7833829, 15667658, 39169145, 78338290]

約数ペア:

[(1, 78338290), (2, 39169145), (5, 15667658), (10, 7833829), (41, 1910690), (82, 955345), (157, 498970), (205, 382138), (314, 249485), (410, 191069), (785, 99794), (1217, 64370), (1570, 49897), (2434, 32185), (6085, 12874), (6437, 12170)]