971884420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3738017}}^1$

素因数の和:3738039

約数の個数: 24

約数和(自身を含む): 2197954584

約数和(自身を除く): 1226070164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3738017, 7476034, 14952068, 18690085, 37380170, 48594221, 74760340, 97188442, 194376884, 242971105, 485942210, 971884420]

約数ペア:

[(1, 971884420), (2, 485942210), (4, 242971105), (5, 194376884), (10, 97188442), (13, 74760340), (20, 48594221), (26, 37380170), (52, 18690085), (65, 14952068), (130, 7476034), (260, 3738017)]