221362504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{18097}}^1$

素因数の和:18253

約数の個数: 32

約数和(自身を含む): 456069600

約数和(自身を除く): 234707096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 18097, 36194, 72388, 144776, 199067, 398134, 796268, 1592536, 2515483, 5030966, 10061932, 20123864, 27670313, 55340626, 110681252, 221362504]

約数ペア:

[(1, 221362504), (2, 110681252), (4, 55340626), (8, 27670313), (11, 20123864), (22, 10061932), (44, 5030966), (88, 2515483), (139, 1592536), (278, 796268), (556, 398134), (1112, 199067), (1529, 144776), (3058, 72388), (6116, 36194), (12232, 18097)]