121717648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 60

約数和(自身を含む): 268204188

約数和(自身を除く): 146486540

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 361, 494, 722, 988, 1444, 1621, 1976, 2888, 3242, 3952, 4693, 5776, 6484, 9386, 12968, 18772, 21073, 25936, 30799, 37544, 42146, 61598, 75088, 84292, 123196, 168584, 246392, 337168, 400387, 492784, 585181, 800774, 1170362, 1601548, 2340724, 3203096, 4681448, 6406192, 7607353, 9362896, 15214706, 30429412, 60858824, 121717648]

約数ペア:

[(1, 121717648), (2, 60858824), (4, 30429412), (8, 15214706), (13, 9362896), (16, 7607353), (19, 6406192), (26, 4681448), (38, 3203096), (52, 2340724), (76, 1601548), (104, 1170362), (152, 800774), (208, 585181), (247, 492784), (304, 400387), (361, 337168), (494, 246392), (722, 168584), (988, 123196), (1444, 84292), (1621, 75088), (1976, 61598), (2888, 42146), (3242, 37544), (3952, 30799), (4693, 25936), (5776, 21073), (6484, 18772), (9386, 12968)]