81836572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 161511840

約数和(自身を除く): 79675268

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 97, 194, 323, 388, 646, 653, 1292, 1306, 1649, 1843, 2612, 3298, 3686, 6596, 7372, 11101, 12407, 22202, 24814, 31331, 44404, 49628, 62662, 63341, 125324, 126682, 210919, 253364, 421838, 843676, 1076797, 1203479, 2153594, 2406958, 4307188, 4813916, 20459143, 40918286, 81836572]

約数ペア:

[(1, 81836572), (2, 40918286), (4, 20459143), (17, 4813916), (19, 4307188), (34, 2406958), (38, 2153594), (68, 1203479), (76, 1076797), (97, 843676), (194, 421838), (323, 253364), (388, 210919), (646, 126682), (653, 125324), (1292, 63341), (1306, 62662), (1649, 49628), (1843, 44404), (2612, 31331), (3298, 24814), (3686, 22202), (6596, 12407), (7372, 11101)]