217512554

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2897}}^1$

素因数の和:3110

約数の個数: 32

約数和(自身を含む): 387265536

約数和(自身を除く): 169752982

約数列:

[1, 2, 7, 14, 31, 62, 173, 217, 346, 434, 1211, 2422, 2897, 5363, 5794, 10726, 20279, 37541, 40558, 75082, 89807, 179614, 501181, 628649, 1002362, 1257298, 3508267, 7016534, 15536611, 31073222, 108756277, 217512554]

約数ペア:

[(1, 217512554), (2, 108756277), (7, 31073222), (14, 15536611), (31, 7016534), (62, 3508267), (173, 1257298), (217, 1002362), (346, 628649), (434, 501181), (1211, 179614), (2422, 89807), (2897, 75082), (5363, 40558), (5794, 37541), (10726, 20279)]