81687004

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{659}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 172972800

約数和(自身を除く): 91285796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 233, 266, 466, 532, 659, 932, 1318, 1631, 2636, 3262, 4427, 4613, 6524, 8854, 9226, 12521, 17708, 18452, 25042, 30989, 50084, 61978, 87647, 123956, 153547, 175294, 307094, 350588, 614188, 1074829, 2149658, 2917393, 4299316, 5834786, 11669572, 20421751, 40843502, 81687004]

約数ペア:

[(1, 81687004), (2, 40843502), (4, 20421751), (7, 11669572), (14, 5834786), (19, 4299316), (28, 2917393), (38, 2149658), (76, 1074829), (133, 614188), (233, 350588), (266, 307094), (466, 175294), (532, 153547), (659, 123956), (932, 87647), (1318, 61978), (1631, 50084), (2636, 30989), (3262, 25042), (4427, 18452), (4613, 17708), (6524, 12521), (8854, 9226)]