81673742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 132969600

約数和(自身を除く): 51295858

約数列:

[1, 2, 19, 38, 53, 106, 107, 214, 379, 758, 1007, 2014, 2033, 4066, 5671, 7201, 11342, 14402, 20087, 40174, 40553, 81106, 107749, 215498, 381653, 763306, 770507, 1541014, 2149309, 4298618, 40836871, 81673742]

約数ペア:

[(1, 81673742), (2, 40836871), (19, 4298618), (38, 2149309), (53, 1541014), (106, 770507), (107, 763306), (214, 381653), (379, 215498), (758, 107749), (1007, 81106), (2014, 40553), (2033, 40174), (4066, 20087), (5671, 14402), (7201, 11342)]