64939184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238747}}^1$

素因数の和:238772

約数の個数: 20

約数和(自身を含む): 133221384

約数和(自身を除く): 68282200

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238747, 477494, 954988, 1909976, 3819952, 4058699, 8117398, 16234796, 32469592, 64939184]

約数ペア:

[(1, 64939184), (2, 32469592), (4, 16234796), (8, 8117398), (16, 4058699), (17, 3819952), (34, 1909976), (68, 954988), (136, 477494), (272, 238747)]