638584131

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1\times {\mathrm{3299}}^1$

素因数の和:3986

約数の個数: 16

約数和(自身を含む): 860745600

約数和(自身を除く): 222161469

約数列:

[1, 3, 113, 339, 571, 1713, 3299, 9897, 64523, 193569, 372787, 1118361, 1883729, 5651187, 212861377, 638584131]

約数ペア:

[(1, 638584131), (3, 212861377), (113, 5651187), (339, 1883729), (571, 1118361), (1713, 372787), (3299, 193569), (9897, 64523)]