388653402

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 842250240

約数和(自身を除く): 453596838

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 103, 111, 138, 206, 222, 309, 618, 739, 851, 1478, 1702, 2217, 2369, 2553, 3811, 4434, 4738, 5106, 7107, 7622, 11433, 14214, 16997, 22866, 27343, 33994, 50991, 54686, 76117, 82029, 87653, 101982, 152234, 164058, 175306, 228351, 262959, 456702, 525918, 628889, 1257778, 1750691, 1886667, 2816329, 3501382, 3773334, 5252073, 5632658, 8448987, 10504146, 16897974, 64775567, 129551134, 194326701, 388653402]

約数ペア:

[(1, 388653402), (2, 194326701), (3, 129551134), (6, 64775567), (23, 16897974), (37, 10504146), (46, 8448987), (69, 5632658), (74, 5252073), (103, 3773334), (111, 3501382), (138, 2816329), (206, 1886667), (222, 1750691), (309, 1257778), (618, 628889), (739, 525918), (851, 456702), (1478, 262959), (1702, 228351), (2217, 175306), (2369, 164058), (2553, 152234), (3811, 101982), (4434, 87653), (4738, 82029), (5106, 76117), (7107, 54686), (7622, 50991), (11433, 33994), (14214, 27343), (16997, 22866)]