197718892

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1097}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 408034368

約数和(自身を除く): 210315476

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 157, 164, 287, 314, 574, 628, 1097, 1099, 1148, 2194, 2198, 4388, 4396, 6437, 7679, 12874, 15358, 25748, 30716, 44977, 45059, 89954, 90118, 172229, 179908, 180236, 314839, 344458, 629678, 688916, 1205603, 1259356, 2411206, 4822412, 7061389, 14122778, 28245556, 49429723, 98859446, 197718892]

約数ペア:

[(1, 197718892), (2, 98859446), (4, 49429723), (7, 28245556), (14, 14122778), (28, 7061389), (41, 4822412), (82, 2411206), (157, 1259356), (164, 1205603), (287, 688916), (314, 629678), (574, 344458), (628, 314839), (1097, 180236), (1099, 179908), (1148, 172229), (2194, 90118), (2198, 89954), (4388, 45059), (4396, 44977), (6437, 30716), (7679, 25748), (12874, 15358)]