78991756

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 140630000

約数和(自身を除く): 61638244

約数列:

[1, 2, 4, 97, 163, 194, 326, 388, 652, 1249, 2498, 4996, 15811, 31622, 63244, 121153, 203587, 242306, 407174, 484612, 814348, 19747939, 39495878, 78991756]

約数ペア:

[(1, 78991756), (2, 39495878), (4, 19747939), (97, 814348), (163, 484612), (194, 407174), (326, 242306), (388, 203587), (652, 121153), (1249, 63244), (2498, 31622), (4996, 15811)]