861219764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{751}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 1617100800

約数和(自身を除く): 755881036

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 191, 316, 382, 751, 764, 1501, 1502, 3002, 3004, 3629, 6004, 7258, 14269, 14516, 15089, 28538, 30178, 57076, 59329, 60356, 118658, 143441, 237316, 286691, 286882, 573382, 573764, 1127251, 1146764, 2254502, 2725379, 4509004, 5450758, 10901516, 11331839, 22663678, 45327356, 215304941, 430609882, 861219764]

約数ペア:

[(1, 861219764), (2, 430609882), (4, 215304941), (19, 45327356), (38, 22663678), (76, 11331839), (79, 10901516), (158, 5450758), (191, 4509004), (316, 2725379), (382, 2254502), (751, 1146764), (764, 1127251), (1501, 573764), (1502, 573382), (3002, 286882), (3004, 286691), (3629, 237316), (6004, 143441), (7258, 118658), (14269, 60356), (14516, 59329), (15089, 57076), (28538, 30178)]