1988116

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 4012092

約数和(自身を除く): 2023976

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 173, 221, 338, 346, 442, 676, 692, 884, 2249, 2873, 2941, 4498, 5746, 5882, 8996, 11492, 11764, 29237, 38233, 58474, 76466, 116948, 152932, 497029, 994058, 1988116]

約数ペア:

[(1, 1988116), (2, 994058), (4, 497029), (13, 152932), (17, 116948), (26, 76466), (34, 58474), (52, 38233), (68, 29237), (169, 11764), (173, 11492), (221, 8996), (338, 5882), (346, 5746), (442, 4498), (676, 2941), (692, 2873), (884, 2249)]