128248918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4243}}^1$

素因数の和:4396

約数の個数: 32

約数和(自身を含む): 234676224

約数和(自身を除く): 106427306

約数列:

[1, 2, 7, 14, 17, 34, 119, 127, 238, 254, 889, 1778, 2159, 4243, 4318, 8486, 15113, 29701, 30226, 59402, 72131, 144262, 504917, 538861, 1009834, 1077722, 3772027, 7544054, 9160637, 18321274, 64124459, 128248918]

約数ペア:

[(1, 128248918), (2, 64124459), (7, 18321274), (14, 9160637), (17, 7544054), (34, 3772027), (119, 1077722), (127, 1009834), (238, 538861), (254, 504917), (889, 144262), (1778, 72131), (2159, 59402), (4243, 30226), (4318, 29701), (8486, 15113)]