128519958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{18773}}^1$

素因数の和:18948

約数の個数: 32

約数和(自身を含む): 295577856

約数和(自身を除く): 167057898

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 3423, 6846, 18773, 37546, 56319, 112638, 131411, 262822, 394233, 788466, 3059999, 6119998, 9179997, 18359994, 21419993, 42839986, 64259979, 128519958]

約数ペア:

[(1, 128519958), (2, 64259979), (3, 42839986), (6, 21419993), (7, 18359994), (14, 9179997), (21, 6119998), (42, 3059999), (163, 788466), (326, 394233), (489, 262822), (978, 131411), (1141, 112638), (2282, 56319), (3423, 37546), (6846, 18773)]