1286656384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{773231}}^1$

素因数の和:773258

約数の個数: 32

約数和(自身を含む): 2760438240

約数和(自身を除く): 1473781856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 773231, 1546462, 3092924, 6185848, 10052003, 12371696, 20104006, 24743392, 40208012, 49486784, 80416024, 98973568, 160832048, 321664096, 643328192, 1286656384]

約数ペア:

[(1, 1286656384), (2, 643328192), (4, 321664096), (8, 160832048), (13, 98973568), (16, 80416024), (26, 49486784), (32, 40208012), (52, 24743392), (64, 20104006), (104, 12371696), (128, 10052003), (208, 6185848), (416, 3092924), (832, 1546462), (1664, 773231)]