990388

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 2093952

約数和(自身を除く): 1103564

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 163, 196, 217, 326, 434, 652, 868, 1141, 1519, 2282, 3038, 4564, 5053, 6076, 7987, 10106, 15974, 20212, 31948, 35371, 70742, 141484, 247597, 495194, 990388]

約数ペア:

[(1, 990388), (2, 495194), (4, 247597), (7, 141484), (14, 70742), (28, 35371), (31, 31948), (49, 20212), (62, 15974), (98, 10106), (124, 7987), (163, 6076), (196, 5053), (217, 4564), (326, 3038), (434, 2282), (652, 1519), (868, 1141)]