6438666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 15015168

約数和(自身を除く): 8576502

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 97, 111, 138, 194, 222, 291, 299, 481, 582, 598, 851, 897, 962, 1261, 1443, 1702, 1794, 2231, 2522, 2553, 2886, 3589, 3783, 4462, 5106, 6693, 7178, 7566, 10767, 11063, 13386, 21534, 22126, 29003, 33189, 46657, 58006, 66378, 82547, 87009, 93314, 139971, 165094, 174018, 247641, 279942, 495282, 1073111, 2146222, 3219333, 6438666]

約数ペア:

[(1, 6438666), (2, 3219333), (3, 2146222), (6, 1073111), (13, 495282), (23, 279942), (26, 247641), (37, 174018), (39, 165094), (46, 139971), (69, 93314), (74, 87009), (78, 82547), (97, 66378), (111, 58006), (138, 46657), (194, 33189), (222, 29003), (291, 22126), (299, 21534), (481, 13386), (582, 11063), (598, 10767), (851, 7566), (897, 7178), (962, 6693), (1261, 5106), (1443, 4462), (1702, 3783), (1794, 3589), (2231, 2886), (2522, 2553)]