30781322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 57868992

約数和(自身を除く): 27087670

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 169, 187, 221, 286, 338, 374, 442, 487, 974, 1859, 2431, 2873, 3718, 4862, 5357, 5746, 6331, 8279, 10714, 12662, 16558, 31603, 63206, 69641, 82303, 91069, 107627, 139282, 164606, 182138, 215254, 905333, 1183897, 1399151, 1810666, 2367794, 2798302, 15390661, 30781322]

約数ペア:

[(1, 30781322), (2, 15390661), (11, 2798302), (13, 2367794), (17, 1810666), (22, 1399151), (26, 1183897), (34, 905333), (143, 215254), (169, 182138), (187, 164606), (221, 139282), (286, 107627), (338, 91069), (374, 82303), (442, 69641), (487, 63206), (974, 31603), (1859, 16558), (2431, 12662), (2873, 10714), (3718, 8279), (4862, 6331), (5357, 5746)]