207921610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{69539}}^1$

素因数の和:69582

約数の個数: 32

約数和(自身を含む): 420577920

約数和(自身を除く): 212656310

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 69539, 139078, 347695, 695390, 904007, 1599397, 1808014, 3198794, 4520035, 7996985, 9040070, 15993970, 20792161, 41584322, 103960805, 207921610]

約数ペア:

[(1, 207921610), (2, 103960805), (5, 41584322), (10, 20792161), (13, 15993970), (23, 9040070), (26, 7996985), (46, 4520035), (65, 3198794), (115, 1808014), (130, 1599397), (230, 904007), (299, 695390), (598, 347695), (1495, 139078), (2990, 69539)]