420242836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{32719}}^1$

素因数の和:32768

約数の個数: 36

約数和(自身を含む): 838286400

約数和(自身を除く): 418043564

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 32719, 65438, 130876, 425347, 621661, 850694, 1243322, 1701388, 2486644, 5529511, 8081593, 11059022, 16163186, 22118044, 32326372, 105060709, 210121418, 420242836]

約数ペア:

[(1, 420242836), (2, 210121418), (4, 105060709), (13, 32326372), (19, 22118044), (26, 16163186), (38, 11059022), (52, 8081593), (76, 5529511), (169, 2486644), (247, 1701388), (338, 1243322), (494, 850694), (676, 621661), (988, 425347), (3211, 130876), (6422, 65438), (12844, 32719)]