28745210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 57038904

約数和(自身を除く): 28293694

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 169, 233, 338, 365, 466, 730, 845, 949, 1165, 1690, 1898, 2330, 3029, 4745, 6058, 9490, 12337, 15145, 17009, 24674, 30290, 34018, 39377, 61685, 78754, 85045, 123370, 170090, 196885, 221117, 393770, 442234, 1105585, 2211170, 2874521, 5749042, 14372605, 28745210]

約数ペア:

[(1, 28745210), (2, 14372605), (5, 5749042), (10, 2874521), (13, 2211170), (26, 1105585), (65, 442234), (73, 393770), (130, 221117), (146, 196885), (169, 170090), (233, 123370), (338, 85045), (365, 78754), (466, 61685), (730, 39377), (845, 34018), (949, 30290), (1165, 24674), (1690, 17009), (1898, 15145), (2330, 12337), (3029, 9490), (4745, 6058)]