198854018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 334756800

約数和(自身を除く): 135902782

約数列:

[1, 2, 11, 22, 41, 82, 449, 451, 491, 898, 902, 982, 4939, 5401, 9878, 10802, 18409, 20131, 36818, 40262, 202499, 220459, 221441, 404998, 440918, 442882, 2425049, 4850098, 9038819, 18077638, 99427009, 198854018]

約数ペア:

[(1, 198854018), (2, 99427009), (11, 18077638), (22, 9038819), (41, 4850098), (82, 2425049), (449, 442882), (451, 440918), (491, 404998), (898, 221441), (902, 220459), (982, 202499), (4939, 40262), (5401, 36818), (9878, 20131), (10802, 18409)]