380653208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{1303}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 784003920

約数和(自身を除く): 403350712

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1303, 1378, 2606, 2756, 2809, 5212, 5512, 5618, 10424, 11236, 16939, 22472, 33878, 36517, 67756, 69059, 73034, 135512, 138118, 146068, 276236, 292136, 552472, 897767, 1795534, 3591068, 3660127, 7182136, 7320254, 14640508, 29281016, 47581651, 95163302, 190326604, 380653208]

約数ペア:

[(1, 380653208), (2, 190326604), (4, 95163302), (8, 47581651), (13, 29281016), (26, 14640508), (52, 7320254), (53, 7182136), (104, 3660127), (106, 3591068), (212, 1795534), (424, 897767), (689, 552472), (1303, 292136), (1378, 276236), (2606, 146068), (2756, 138118), (2809, 135512), (5212, 73034), (5512, 69059), (5618, 67756), (10424, 36517), (11236, 33878), (16939, 22472)]