1998455384

素因数分解:

$2^3\times {\mathrm{1613}}^1\times {\mathrm{154871}}^1$

素因数の和:156490

約数の個数: 16

約数和(自身を含む): 3749451120

約数和(自身を除く): 1750995736

約数列:

[1, 2, 4, 8, 1613, 3226, 6452, 12904, 154871, 309742, 619484, 1238968, 249806923, 499613846, 999227692, 1998455384]

約数ペア:

[(1, 1998455384), (2, 999227692), (4, 499613846), (8, 249806923), (1613, 1238968), (3226, 619484), (6452, 309742), (12904, 154871)]