215713384

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 431299620

約数和(自身を除く): 215586236

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 361, 452, 661, 722, 904, 1322, 1444, 2147, 2644, 2888, 4294, 5288, 8588, 12559, 17176, 25118, 40793, 50236, 74693, 81586, 100472, 149386, 163172, 238621, 298772, 326344, 477242, 597544, 954484, 1419167, 1908968, 2838334, 5676668, 11353336, 26964173, 53928346, 107856692, 215713384]

約数ペア:

[(1, 215713384), (2, 107856692), (4, 53928346), (8, 26964173), (19, 11353336), (38, 5676668), (76, 2838334), (113, 1908968), (152, 1419167), (226, 954484), (361, 597544), (452, 477242), (661, 326344), (722, 298772), (904, 238621), (1322, 163172), (1444, 149386), (2147, 100472), (2644, 81586), (2888, 74693), (4294, 50236), (5288, 40793), (8588, 25118), (12559, 17176)]