81619802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{55373}}^1$

素因数の和:55453

約数の個数: 16

約数和(自身を含む): 135555552

約数和(自身を除く): 53935750

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 55373, 110746, 609103, 1218206, 3709991, 7419982, 40809901, 81619802]

約数ペア:

[(1, 81619802), (2, 40809901), (11, 7419982), (22, 3709991), (67, 1218206), (134, 609103), (737, 110746), (1474, 55373)]