201521018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 323854848

約数和(自身を除く): 122333830

約数列:

[1, 2, 31, 37, 62, 74, 107, 214, 821, 1147, 1642, 2294, 3317, 3959, 6634, 7918, 25451, 30377, 50902, 60754, 87847, 122729, 175694, 245458, 941687, 1883374, 2723257, 3250339, 5446514, 6500678, 100760509, 201521018]

約数ペア:

[(1, 201521018), (2, 100760509), (31, 6500678), (37, 5446514), (62, 3250339), (74, 2723257), (107, 1883374), (214, 941687), (821, 245458), (1147, 175694), (1642, 122729), (2294, 87847), (3317, 60754), (3959, 50902), (6634, 30377), (7918, 25451)]