81338948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 158868864

約数和(自身を除く): 77529916

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 131, 262, 391, 397, 524, 782, 794, 1564, 1588, 2227, 3013, 4454, 6026, 6749, 8908, 9131, 12052, 13498, 18262, 26996, 36524, 51221, 52007, 102442, 104014, 155227, 204884, 208028, 310454, 620908, 884119, 1196161, 1768238, 2392322, 3536476, 4784644, 20334737, 40669474, 81338948]

約数ペア:

[(1, 81338948), (2, 40669474), (4, 20334737), (17, 4784644), (23, 3536476), (34, 2392322), (46, 1768238), (68, 1196161), (92, 884119), (131, 620908), (262, 310454), (391, 208028), (397, 204884), (524, 155227), (782, 104014), (794, 102442), (1564, 52007), (1588, 51221), (2227, 36524), (3013, 26996), (4454, 18262), (6026, 13498), (6749, 12052), (8908, 9131)]