71470945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 108991872

約数和(自身を除く): 37520927

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 169, 215, 281, 301, 455, 559, 845, 1183, 1405, 1505, 1967, 2795, 3653, 3913, 5915, 7267, 9835, 12083, 18265, 19565, 25571, 36335, 47489, 50869, 60415, 84581, 127855, 157079, 237445, 254345, 332423, 422905, 785395, 1099553, 1662115, 2042027, 5497765, 10210135, 14294189, 71470945]

約数ペア:

[(1, 71470945), (5, 14294189), (7, 10210135), (13, 5497765), (35, 2042027), (43, 1662115), (65, 1099553), (91, 785395), (169, 422905), (215, 332423), (281, 254345), (301, 237445), (455, 157079), (559, 127855), (845, 84581), (1183, 60415), (1405, 50869), (1505, 47489), (1967, 36335), (2795, 25571), (3653, 19565), (3913, 18265), (5915, 12083), (7267, 9835)]