989815118

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{21059}}^1$

素因数の和:21463

約数の個数: 16

約数和(自身を含む): 1510254720

約数和(自身を除く): 520439602

約数列:

[1, 2, 71, 142, 331, 662, 21059, 23501, 42118, 47002, 1495189, 2990378, 6970529, 13941058, 494907559, 989815118]

約数ペア:

[(1, 989815118), (2, 494907559), (71, 13941058), (142, 6970529), (331, 2990378), (662, 1495189), (21059, 47002), (23501, 42118)]