86988244

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 178899840

約数和(自身を除く): 91911596

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 134, 178, 268, 356, 469, 521, 623, 938, 1042, 1246, 1876, 2084, 2492, 3647, 5963, 7294, 11926, 14588, 23852, 34907, 41741, 46369, 69814, 83482, 92738, 139628, 166964, 185476, 244349, 324583, 488698, 649166, 977396, 1298332, 3106723, 6213446, 12426892, 21747061, 43494122, 86988244]

約数ペア:

[(1, 86988244), (2, 43494122), (4, 21747061), (7, 12426892), (14, 6213446), (28, 3106723), (67, 1298332), (89, 977396), (134, 649166), (178, 488698), (268, 324583), (356, 244349), (469, 185476), (521, 166964), (623, 139628), (938, 92738), (1042, 83482), (1246, 69814), (1876, 46369), (2084, 41741), (2492, 34907), (3647, 23852), (5963, 14588), (7294, 11926)]