8491330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 16329600

約数和(自身を除く): 7838270

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 199, 251, 398, 502, 995, 1255, 1990, 2510, 3383, 4267, 6766, 8534, 16915, 21335, 33830, 42670, 49949, 99898, 249745, 499490, 849133, 1698266, 4245665, 8491330]

約数ペア:

[(1, 8491330), (2, 4245665), (5, 1698266), (10, 849133), (17, 499490), (34, 249745), (85, 99898), (170, 49949), (199, 42670), (251, 33830), (398, 21335), (502, 16915), (995, 8534), (1255, 6766), (1990, 4267), (2510, 3383)]