261815892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{3209}}^1$

素因数の和:3752

約数の個数: 48

約数和(自身を含む): 659359680

約数和(自身を除く): 397543788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523, 1046, 1569, 2092, 3138, 3209, 6276, 6418, 6799, 9627, 12836, 13598, 19254, 20397, 27196, 38508, 40794, 41717, 81588, 83434, 125151, 166868, 250302, 500604, 1678307, 3356614, 5034921, 6713228, 10069842, 20139684, 21817991, 43635982, 65453973, 87271964, 130907946, 261815892]

約数ペア:

[(1, 261815892), (2, 130907946), (3, 87271964), (4, 65453973), (6, 43635982), (12, 21817991), (13, 20139684), (26, 10069842), (39, 6713228), (52, 5034921), (78, 3356614), (156, 1678307), (523, 500604), (1046, 250302), (1569, 166868), (2092, 125151), (3138, 83434), (3209, 81588), (6276, 41717), (6418, 40794), (6799, 38508), (9627, 27196), (12836, 20397), (13598, 19254)]