728416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 922688

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 103, 104, 136, 206, 208, 221, 272, 412, 416, 442, 544, 824, 884, 1339, 1648, 1751, 1768, 2678, 3296, 3502, 3536, 5356, 7004, 7072, 10712, 14008, 21424, 22763, 28016, 42848, 45526, 56032, 91052, 182104, 364208, 728416]

約数ペア:

[(1, 728416), (2, 364208), (4, 182104), (8, 91052), (13, 56032), (16, 45526), (17, 42848), (26, 28016), (32, 22763), (34, 21424), (52, 14008), (68, 10712), (103, 7072), (104, 7004), (136, 5356), (206, 3536), (208, 3502), (221, 3296), (272, 2678), (412, 1768), (416, 1751), (442, 1648), (544, 1339), (824, 884)]