387776249

素因数分解:

$7^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 468115200

約数和(自身を除く): 80338951

約数列:

[1, 7, 49, 53, 83, 257, 343, 371, 581, 1799, 2597, 4067, 4399, 12593, 13621, 18179, 21331, 28469, 30793, 88151, 95347, 149317, 215551, 667429, 1045219, 1130543, 1508857, 4672003, 7316533, 7913801, 55396607, 387776249]

約数ペア:

[(1, 387776249), (7, 55396607), (49, 7913801), (53, 7316533), (83, 4672003), (257, 1508857), (343, 1130543), (371, 1045219), (581, 667429), (1799, 215551), (2597, 149317), (4067, 95347), (4399, 88151), (12593, 30793), (13621, 28469), (18179, 21331)]