161566210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1242817}}^1$

素因数の和:1242837

約数の個数: 16

約数和(自身を含む): 313190136

約数和(自身を除く): 151623926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1242817, 2485634, 6214085, 12428170, 16156621, 32313242, 80783105, 161566210]

約数ペア:

[(1, 161566210), (2, 80783105), (5, 32313242), (10, 16156621), (13, 12428170), (26, 6214085), (65, 2485634), (130, 1242817)]