31306384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 64683360

約数和(自身を除く): 33376976

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 643, 716, 1286, 1432, 2572, 2864, 3043, 5144, 6086, 10288, 10931, 12172, 21862, 24344, 43724, 48688, 87448, 115097, 174896, 230194, 460388, 920776, 1841552, 1956649, 3913298, 7826596, 15653192, 31306384]

約数ペア:

[(1, 31306384), (2, 15653192), (4, 7826596), (8, 3913298), (16, 1956649), (17, 1841552), (34, 920776), (68, 460388), (136, 230194), (179, 174896), (272, 115097), (358, 87448), (643, 48688), (716, 43724), (1286, 24344), (1432, 21862), (2572, 12172), (2864, 10931), (3043, 10288), (5144, 6086)]