1645884

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 4204200

約数和(自身を除く): 2558316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 349, 393, 524, 698, 786, 1047, 1179, 1396, 1572, 2094, 2358, 3141, 4188, 4716, 6282, 12564, 45719, 91438, 137157, 182876, 274314, 411471, 548628, 822942, 1645884]

約数ペア:

[(1, 1645884), (2, 822942), (3, 548628), (4, 411471), (6, 274314), (9, 182876), (12, 137157), (18, 91438), (36, 45719), (131, 12564), (262, 6282), (349, 4716), (393, 4188), (524, 3141), (698, 2358), (786, 2094), (1047, 1572), (1179, 1396)]