217877758

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1\times {\mathrm{1237}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 390772224

約数和(自身を除く): 172894466

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 547, 1094, 1237, 2474, 3829, 7658, 8659, 12581, 17318, 25162, 28451, 56902, 88067, 176134, 199157, 398314, 676639, 1353278, 4736473, 9472946, 15562697, 31125394, 108938879, 217877758]

約数ペア:

[(1, 217877758), (2, 108938879), (7, 31125394), (14, 15562697), (23, 9472946), (46, 4736473), (161, 1353278), (322, 676639), (547, 398314), (1094, 199157), (1237, 176134), (2474, 88067), (3829, 56902), (7658, 28451), (8659, 25162), (12581, 17318)]