16381552012

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{40357}}^1$

素因数の和:40503

約数の個数: 72

約数和(自身を含む): 35426252400

約数和(自身を除く): 19044700388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 109, 133, 196, 218, 266, 436, 532, 763, 931, 1526, 1862, 2071, 3052, 3724, 4142, 5341, 8284, 10682, 14497, 21364, 28994, 40357, 57988, 80714, 101479, 161428, 202958, 282499, 405916, 564998, 766783, 1129996, 1533566, 1977493, 3067132, 3954986, 4398913, 5367481, 7909972, 8797826, 10734962, 17595652, 21469924, 30792391, 37572367, 61584782, 75144734, 83579347, 123169564, 150289468, 167158694, 215546737, 334317388, 431093474, 585055429, 862186948, 1170110858, 2340221716, 4095388003, 8190776006, 16381552012]

約数ペア:

[(1, 16381552012), (2, 8190776006), (4, 4095388003), (7, 2340221716), (14, 1170110858), (19, 862186948), (28, 585055429), (38, 431093474), (49, 334317388), (76, 215546737), (98, 167158694), (109, 150289468), (133, 123169564), (196, 83579347), (218, 75144734), (266, 61584782), (436, 37572367), (532, 30792391), (763, 21469924), (931, 17595652), (1526, 10734962), (1862, 8797826), (2071, 7909972), (3052, 5367481), (3724, 4398913), (4142, 3954986), (5341, 3067132), (8284, 1977493), (10682, 1533566), (14497, 1129996), (21364, 766783), (28994, 564998), (40357, 405916), (57988, 282499), (80714, 202958), (101479, 161428)]