81389388

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{733}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 200587520

約数和(自身を除く): 119198132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 487, 733, 974, 1461, 1466, 1948, 2199, 2922, 2932, 4398, 5844, 8796, 9253, 13927, 18506, 27759, 27854, 37012, 41781, 55518, 55708, 83562, 111036, 167124, 356971, 713942, 1070913, 1427884, 2141826, 4283652, 6782449, 13564898, 20347347, 27129796, 40694694, 81389388]

約数ペア:

[(1, 81389388), (2, 40694694), (3, 27129796), (4, 20347347), (6, 13564898), (12, 6782449), (19, 4283652), (38, 2141826), (57, 1427884), (76, 1070913), (114, 713942), (228, 356971), (487, 167124), (733, 111036), (974, 83562), (1461, 55708), (1466, 55518), (1948, 41781), (2199, 37012), (2922, 27854), (2932, 27759), (4398, 18506), (5844, 13927), (8796, 9253)]