66684996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{647}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 193415040

約数和(自身を除く): 126730044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 409, 647, 818, 1227, 1294, 1636, 1941, 2454, 2588, 2863, 3681, 3882, 4529, 4908, 5726, 5823, 7362, 7764, 8589, 9058, 11452, 11646, 13587, 14724, 17178, 18116, 23292, 25767, 27174, 34356, 40761, 51534, 54348, 81522, 103068, 163044, 264623, 529246, 793869, 1058492, 1587738, 1852361, 2381607, 3175476, 3704722, 4763214, 5557083, 7409444, 9526428, 11114166, 16671249, 22228332, 33342498, 66684996]

約数ペア:

[(1, 66684996), (2, 33342498), (3, 22228332), (4, 16671249), (6, 11114166), (7, 9526428), (9, 7409444), (12, 5557083), (14, 4763214), (18, 3704722), (21, 3175476), (28, 2381607), (36, 1852361), (42, 1587738), (63, 1058492), (84, 793869), (126, 529246), (252, 264623), (409, 163044), (647, 103068), (818, 81522), (1227, 54348), (1294, 51534), (1636, 40761), (1941, 34356), (2454, 27174), (2588, 25767), (2863, 23292), (3681, 18116), (3882, 17178), (4529, 14724), (4908, 13587), (5726, 11646), (5823, 11452), (7362, 9058), (7764, 8589)]