1289728

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:258

約数の個数: 40

約数和(自身を含む): 2823480

約数和(自身を除く): 1533752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 229, 256, 352, 458, 512, 704, 916, 1408, 1832, 2519, 2816, 3664, 5038, 5632, 7328, 10076, 14656, 20152, 29312, 40304, 58624, 80608, 117248, 161216, 322432, 644864, 1289728]

約数ペア:

[(1, 1289728), (2, 644864), (4, 322432), (8, 161216), (11, 117248), (16, 80608), (22, 58624), (32, 40304), (44, 29312), (64, 20152), (88, 14656), (128, 10076), (176, 7328), (229, 5632), (256, 5038), (352, 3664), (458, 2816), (512, 2519), (704, 1832), (916, 1408)]