64641170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2953}}^1$

素因数の和:3170

約数の個数: 32

約数和(自身を含む): 127612800

約数和(自身を除く): 62971630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 2953, 4378, 5906, 10945, 14765, 21890, 29530, 32483, 64966, 162415, 324830, 587647, 1175294, 2938235, 5876470, 6464117, 12928234, 32320585, 64641170]

約数ペア:

[(1, 64641170), (2, 32320585), (5, 12928234), (10, 6464117), (11, 5876470), (22, 2938235), (55, 1175294), (110, 587647), (199, 324830), (398, 162415), (995, 64966), (1990, 32483), (2189, 29530), (2953, 21890), (4378, 14765), (5906, 10945)]