290335969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 383201280

約数和(自身を除く): 92865311

約数列:

[1, 7, 11, 23, 71, 77, 161, 253, 497, 781, 1633, 1771, 2309, 5467, 11431, 16163, 17963, 25399, 53107, 125741, 163939, 177793, 371749, 584177, 1147573, 1803329, 3770597, 4089239, 12623303, 26394179, 41476567, 290335969]

約数ペア:

[(1, 290335969), (7, 41476567), (11, 26394179), (23, 12623303), (71, 4089239), (77, 3770597), (161, 1803329), (253, 1147573), (497, 584177), (781, 371749), (1633, 177793), (1771, 163939), (2309, 125741), (5467, 53107), (11431, 25399), (16163, 17963)]