131840786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 260340480

約数和(自身を除く): 128499694

約数列:

[1, 2, 7, 11, 14, 22, 29, 53, 58, 77, 106, 154, 203, 319, 371, 406, 557, 583, 638, 742, 1114, 1166, 1537, 2233, 3074, 3899, 4081, 4466, 6127, 7798, 8162, 10759, 12254, 16153, 16907, 21518, 29521, 32306, 33814, 42889, 59042, 85778, 113071, 118349, 177683, 206647, 226142, 236698, 324731, 355366, 413294, 649462, 856109, 1243781, 1712218, 2273117, 2487562, 4546234, 5992763, 9417199, 11985526, 18834398, 65920393, 131840786]

約数ペア:

[(1, 131840786), (2, 65920393), (7, 18834398), (11, 11985526), (14, 9417199), (22, 5992763), (29, 4546234), (53, 2487562), (58, 2273117), (77, 1712218), (106, 1243781), (154, 856109), (203, 649462), (319, 413294), (371, 355366), (406, 324731), (557, 236698), (583, 226142), (638, 206647), (742, 177683), (1114, 118349), (1166, 113071), (1537, 85778), (2233, 59042), (3074, 42889), (3899, 33814), (4081, 32306), (4466, 29521), (6127, 21518), (7798, 16907), (8162, 16153), (10759, 12254)]