209128542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{160621}}^1$

素因数の和:160664

約数の個数: 32

約数和(自身を含む): 493430784

約数和(自身を除く): 284302242

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 160621, 321242, 481863, 963726, 1124347, 2248694, 3373041, 4979251, 6746082, 9958502, 14937753, 29875506, 34854757, 69709514, 104564271, 209128542]

約数ペア:

[(1, 209128542), (2, 104564271), (3, 69709514), (6, 34854757), (7, 29875506), (14, 14937753), (21, 9958502), (31, 6746082), (42, 4979251), (62, 3373041), (93, 2248694), (186, 1124347), (217, 963726), (434, 481863), (651, 321242), (1302, 160621)]