631446998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{111919}}^1$

素因数の和:111972

約数の個数: 32

約数和(自身を含む): 1203363840

約数和(自身を除く): 571916842

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 111919, 223838, 783433, 1454947, 1566866, 2909894, 3469489, 6938978, 10184629, 20369258, 24286423, 45103357, 48572846, 90206714, 315723499, 631446998]

約数ペア:

[(1, 631446998), (2, 315723499), (7, 90206714), (13, 48572846), (14, 45103357), (26, 24286423), (31, 20369258), (62, 10184629), (91, 6938978), (182, 3469489), (217, 2909894), (403, 1566866), (434, 1454947), (806, 783433), (2821, 223838), (5642, 111919)]