201399575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4159}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 270816000

約数和(自身を除く): 69416425

約数列:

[1, 5, 13, 25, 65, 149, 325, 745, 1937, 3725, 4159, 9685, 20795, 48425, 54067, 103975, 270335, 619691, 1351675, 3098455, 8055983, 15492275, 40279915, 201399575]

約数ペア:

[(1, 201399575), (5, 40279915), (13, 15492275), (25, 8055983), (65, 3098455), (149, 1351675), (325, 619691), (745, 270335), (1937, 103975), (3725, 54067), (4159, 48425), (9685, 20795)]