81218946

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{1237}}^1$

素因数の和:1626

約数の個数: 32

約数和(自身を含む): 168288768

約数和(自身を除く): 87069822

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 353, 706, 1059, 1237, 2118, 2474, 3711, 7422, 10943, 21886, 32829, 38347, 65658, 76694, 115041, 230082, 436661, 873322, 1309983, 2619966, 13536491, 27072982, 40609473, 81218946]

約数ペア:

[(1, 81218946), (2, 40609473), (3, 27072982), (6, 13536491), (31, 2619966), (62, 1309983), (93, 873322), (186, 436661), (353, 230082), (706, 115041), (1059, 76694), (1237, 65658), (2118, 38347), (2474, 32829), (3711, 21886), (7422, 10943)]