209918312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{8623}}^1$

素因数の和:8825

約数の個数: 32

約数和(自身を含む): 419126400

約数和(自身を除く): 209208088

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 358, 716, 1432, 3043, 6086, 8623, 12172, 17246, 24344, 34492, 68984, 146591, 293182, 586364, 1172728, 1543517, 3087034, 6174068, 12348136, 26239789, 52479578, 104959156, 209918312]

約数ペア:

[(1, 209918312), (2, 104959156), (4, 52479578), (8, 26239789), (17, 12348136), (34, 6174068), (68, 3087034), (136, 1543517), (179, 1172728), (358, 586364), (716, 293182), (1432, 146591), (3043, 68984), (6086, 34492), (8623, 24344), (12172, 17246)]