1621056565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{1327}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 2048094720

約数和(自身を除く): 427038155

約数列:

[1, 5, 41, 59, 101, 205, 295, 505, 1327, 2419, 4141, 5959, 6635, 12095, 20705, 29795, 54407, 78293, 134027, 244319, 272035, 391465, 670135, 1221595, 3210013, 5495107, 7907593, 16050065, 27475535, 39537965, 324211313, 1621056565]

約数ペア:

[(1, 1621056565), (5, 324211313), (41, 39537965), (59, 27475535), (101, 16050065), (205, 7907593), (295, 5495107), (505, 3210013), (1327, 1221595), (2419, 670135), (4141, 391465), (5959, 272035), (6635, 244319), (12095, 134027), (20705, 78293), (29795, 54407)]