81808566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3307}}^1$

素因数の和:3369

約数の個数: 64

約数和(自身を含む): 203243520

約数和(自身を除く): 121434954

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 1178, 1302, 1767, 3307, 3534, 4123, 6614, 8246, 9921, 12369, 19842, 23149, 24738, 46298, 62833, 69447, 102517, 125666, 138894, 188499, 205034, 307551, 376998, 439831, 615102, 717619, 879662, 1319493, 1435238, 1947823, 2152857, 2638986, 3895646, 4305714, 5843469, 11686938, 13634761, 27269522, 40904283, 81808566]

約数ペア:

[(1, 81808566), (2, 40904283), (3, 27269522), (6, 13634761), (7, 11686938), (14, 5843469), (19, 4305714), (21, 3895646), (31, 2638986), (38, 2152857), (42, 1947823), (57, 1435238), (62, 1319493), (93, 879662), (114, 717619), (133, 615102), (186, 439831), (217, 376998), (266, 307551), (399, 205034), (434, 188499), (589, 138894), (651, 125666), (798, 102517), (1178, 69447), (1302, 62833), (1767, 46298), (3307, 24738), (3534, 23149), (4123, 19842), (6614, 12369), (8246, 9921)]