212215535

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 309044736

約数和(自身を除く): 96829201

約数列:

[1, 5, 7, 35, 37, 43, 103, 185, 215, 259, 301, 515, 721, 1295, 1369, 1505, 1591, 3605, 3811, 4429, 6845, 7955, 9583, 11137, 19055, 22145, 26677, 31003, 47915, 55685, 58867, 133385, 141007, 155015, 163873, 294335, 412069, 705035, 819365, 987049, 1147111, 2060345, 4935245, 5735555, 6063301, 30316505, 42443107, 212215535]

約数ペア:

[(1, 212215535), (5, 42443107), (7, 30316505), (35, 6063301), (37, 5735555), (43, 4935245), (103, 2060345), (185, 1147111), (215, 987049), (259, 819365), (301, 705035), (515, 412069), (721, 294335), (1295, 163873), (1369, 155015), (1505, 141007), (1591, 133385), (3605, 58867), (3811, 55685), (4429, 47915), (6845, 31003), (7955, 26677), (9583, 22145), (11137, 19055)]