219943592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{17981}}^1$

素因数の和:18137

約数の個数: 32

約数和(自身を含む): 453146400

約数和(自身を除く): 233202808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 17981, 35962, 71924, 143848, 197791, 395582, 791164, 1582328, 2499359, 4998718, 9997436, 19994872, 27492949, 54985898, 109971796, 219943592]

約数ペア:

[(1, 219943592), (2, 109971796), (4, 54985898), (8, 27492949), (11, 19994872), (22, 9997436), (44, 4998718), (88, 2499359), (139, 1582328), (278, 791164), (556, 395582), (1112, 197791), (1529, 143848), (3058, 71924), (6116, 35962), (12232, 17981)]