31951948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 66705408

約数和(自身を除く): 34753460

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 131, 217, 262, 281, 434, 524, 562, 868, 917, 1124, 1834, 1967, 3668, 3934, 4061, 7868, 8122, 8711, 16244, 17422, 28427, 34844, 36811, 56854, 60977, 73622, 113708, 121954, 147244, 243908, 257677, 515354, 1030708, 1141141, 2282282, 4564564, 7987987, 15975974, 31951948]

約数ペア:

[(1, 31951948), (2, 15975974), (4, 7987987), (7, 4564564), (14, 2282282), (28, 1141141), (31, 1030708), (62, 515354), (124, 257677), (131, 243908), (217, 147244), (262, 121954), (281, 113708), (434, 73622), (524, 60977), (562, 56854), (868, 36811), (917, 34844), (1124, 28427), (1834, 17422), (1967, 16244), (3668, 8711), (3934, 8122), (4061, 7868)]