278434982

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{2939}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 489404160

約数和(自身を除く): 210969178

約数列:

[1, 2, 7, 14, 67, 101, 134, 202, 469, 707, 938, 1414, 2939, 5878, 6767, 13534, 20573, 41146, 47369, 94738, 196913, 296839, 393826, 593678, 1378391, 2077873, 2756782, 4155746, 19888213, 39776426, 139217491, 278434982]

約数ペア:

[(1, 278434982), (2, 139217491), (7, 39776426), (14, 19888213), (67, 4155746), (101, 2756782), (134, 2077873), (202, 1378391), (469, 593678), (707, 393826), (938, 296839), (1414, 196913), (2939, 94738), (5878, 47369), (6767, 41146), (13534, 20573)]