208791076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 453841920

約数和(自身を除く): 245050844

約数列:

[1, 2, 4, 13, 17, 19, 26, 31, 34, 38, 52, 62, 68, 76, 124, 221, 247, 323, 401, 403, 442, 494, 527, 589, 646, 802, 806, 884, 988, 1054, 1178, 1292, 1604, 1612, 2108, 2356, 4199, 5213, 6817, 6851, 7619, 7657, 8398, 10013, 10426, 12431, 13634, 13702, 15238, 15314, 16796, 20026, 20852, 24862, 27268, 27404, 30476, 30628, 40052, 49724, 88621, 99047, 129523, 130169, 161603, 177242, 198094, 211327, 236189, 259046, 260338, 323206, 354484, 396188, 422654, 472378, 518092, 520676, 646412, 845308, 944756, 1683799, 2747251, 3070457, 3367598, 4015213, 5494502, 6140914, 6735196, 8030426, 10989004, 12281828, 16060852, 52197769, 104395538, 208791076]

約数ペア:

[(1, 208791076), (2, 104395538), (4, 52197769), (13, 16060852), (17, 12281828), (19, 10989004), (26, 8030426), (31, 6735196), (34, 6140914), (38, 5494502), (52, 4015213), (62, 3367598), (68, 3070457), (76, 2747251), (124, 1683799), (221, 944756), (247, 845308), (323, 646412), (401, 520676), (403, 518092), (442, 472378), (494, 422654), (527, 396188), (589, 354484), (646, 323206), (802, 260338), (806, 259046), (884, 236189), (988, 211327), (1054, 198094), (1178, 177242), (1292, 161603), (1604, 130169), (1612, 129523), (2108, 99047), (2356, 88621), (4199, 49724), (5213, 40052), (6817, 30628), (6851, 30476), (7619, 27404), (7657, 27268), (8398, 24862), (10013, 20852), (10426, 20026), (12431, 16796), (13634, 15314), (13702, 15238)]