202198388

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 419126400

約数和(自身を除く): 216928012

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 287, 356, 574, 623, 1148, 1246, 1979, 2492, 3649, 3958, 7298, 7916, 13853, 14596, 25543, 27706, 51086, 55412, 81139, 102172, 162278, 176131, 324556, 352262, 567973, 704524, 1135946, 1232917, 2271892, 2465834, 4931668, 7221371, 14442742, 28885484, 50549597, 101099194, 202198388]

約数ペア:

[(1, 202198388), (2, 101099194), (4, 50549597), (7, 28885484), (14, 14442742), (28, 7221371), (41, 4931668), (82, 2465834), (89, 2271892), (164, 1232917), (178, 1135946), (287, 704524), (356, 567973), (574, 352262), (623, 324556), (1148, 176131), (1246, 162278), (1979, 102172), (2492, 81139), (3649, 55412), (3958, 51086), (7298, 27706), (7916, 25543), (13853, 14596)]