821338441

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 1157163840

約数和(自身を除く): 335825399

約数列:

[1, 7, 11, 19, 23, 49, 77, 121, 133, 161, 209, 253, 317, 437, 539, 847, 931, 1127, 1463, 1771, 2219, 2299, 2783, 3059, 3487, 4807, 5929, 6023, 7291, 10241, 12397, 15533, 16093, 19481, 21413, 24409, 33649, 38357, 42161, 51037, 52877, 66253, 80201, 112651, 136367, 138529, 170863, 235543, 268499, 295127, 357259, 370139, 463771, 561407, 728783, 882211, 969703, 1523819, 1879493, 2590973, 3246397, 3929849, 5101481, 6175477, 6787921, 10666733, 16762009, 35710367, 43228339, 74667131, 117334063, 821338441]

約数ペア:

[(1, 821338441), (7, 117334063), (11, 74667131), (19, 43228339), (23, 35710367), (49, 16762009), (77, 10666733), (121, 6787921), (133, 6175477), (161, 5101481), (209, 3929849), (253, 3246397), (317, 2590973), (437, 1879493), (539, 1523819), (847, 969703), (931, 882211), (1127, 728783), (1463, 561407), (1771, 463771), (2219, 370139), (2299, 357259), (2783, 295127), (3059, 268499), (3487, 235543), (4807, 170863), (5929, 138529), (6023, 136367), (7291, 112651), (10241, 80201), (12397, 66253), (15533, 52877), (16093, 51037), (19481, 42161), (21413, 38357), (24409, 33649)]