205981256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 421763760

約数和(自身を除く): 215782504

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 169, 262, 338, 524, 676, 1048, 1163, 1352, 1703, 2326, 3406, 4652, 6812, 9304, 13624, 15119, 22139, 30238, 44278, 60476, 88556, 120952, 152353, 177112, 196547, 304706, 393094, 609412, 786188, 1218824, 1572376, 1980589, 3961178, 7922356, 15844712, 25747657, 51495314, 102990628, 205981256]

約数ペア:

[(1, 205981256), (2, 102990628), (4, 51495314), (8, 25747657), (13, 15844712), (26, 7922356), (52, 3961178), (104, 1980589), (131, 1572376), (169, 1218824), (262, 786188), (338, 609412), (524, 393094), (676, 304706), (1048, 196547), (1163, 177112), (1352, 152353), (1703, 120952), (2326, 88556), (3406, 60476), (4652, 44278), (6812, 30238), (9304, 22139), (13624, 15119)]