1290272

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 24

約数和(自身を含む): 2585772

約数和(自身を除く): 1295500

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 661, 976, 1322, 1952, 2644, 5288, 10576, 21152, 40321, 80642, 161284, 322568, 645136, 1290272]

約数ペア:

[(1, 1290272), (2, 645136), (4, 322568), (8, 161284), (16, 80642), (32, 40321), (61, 21152), (122, 10576), (244, 5288), (488, 2644), (661, 1952), (976, 1322)]